Home / 18,204.61-25,123.17-10,247.35

Finding the Fourth Proportional to 18,204.61, 25,123.17 and 10,247.35

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Solution

The fourth proportional to 18,204.61, 25,123.17 and 10,247.35 is: 14,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.61 : 25,123.17 = 10,247.35 : x
  2. Step 2: Convert to fraction form
    18,204.61/25,123.17 = 10,247.35/x
  3. Step 3: Cross multiply
    18,204.61x = 25,123.17 × 10,247.35
  4. Step 4: Simplify right side
    18,204.61x = 257,445,916.10
  5. Step 5: Solve for x
    x = 257,445,916.10/18,204.61
  6. Step 6: Final answer
    x = 14,141.80

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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.