Home / 13,261.50-18,302.13-7,596.63

Finding the Fourth Proportional to 13,261.50, 18,302.13 and 7,596.63

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Solution

The fourth proportional to 13,261.50, 18,302.13 and 7,596.63 is: 10,484.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.50 : 18,302.13 = 7,596.63 : x
  2. Step 2: Convert to fraction form
    13,261.50/18,302.13 = 7,596.63/x
  3. Step 3: Cross multiply
    13,261.50x = 18,302.13 × 7,596.63
  4. Step 4: Simplify right side
    13,261.50x = 139,034,509.82
  5. Step 5: Solve for x
    x = 139,034,509.82/13,261.50
  6. Step 6: Final answer
    x = 10,484.07

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Double scale
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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.