Home / 18,348.18-25,322.05-10,391.82

Finding the Fourth Proportional to 18,348.18, 25,322.05 and 10,391.82

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Solution

The fourth proportional to 18,348.18, 25,322.05 and 10,391.82 is: 14,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.18 : 25,322.05 = 10,391.82 : x
  2. Step 2: Convert to fraction form
    18,348.18/25,322.05 = 10,391.82/x
  3. Step 3: Cross multiply
    18,348.18x = 25,322.05 × 10,391.82
  4. Step 4: Simplify right side
    18,348.18x = 263,142,185.63
  5. Step 5: Solve for x
    x = 263,142,185.63/18,348.18
  6. Step 6: Final answer
    x = 14,341.60

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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.