Home / 18,367.88-25,343.34-13,060.76

Finding the Fourth Proportional to 18,367.88, 25,343.34 and 13,060.76

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Solution

The fourth proportional to 18,367.88, 25,343.34 and 13,060.76 is: 18,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.88 : 25,343.34 = 13,060.76 : x
  2. Step 2: Convert to fraction form
    18,367.88/25,343.34 = 13,060.76/x
  3. Step 3: Cross multiply
    18,367.88x = 25,343.34 × 13,060.76
  4. Step 4: Simplify right side
    18,367.88x = 331,003,281.34
  5. Step 5: Solve for x
    x = 331,003,281.34/18,367.88
  6. Step 6: Final answer
    x = 18,020.77

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Half scale
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Double scale
Find fourth proportional to 18,368.88, 25,344.72 and 13,061.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.