Home / 42,192.55-63,287.13-10,602.86

Finding the Fourth Proportional to 42,192.55, 63,287.13 and 10,602.86

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Solution

The fourth proportional to 42,192.55, 63,287.13 and 10,602.86 is: 15,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,192.55 : 63,287.13 = 10,602.86 : x
  2. Step 2: Convert to fraction form
    42,192.55/63,287.13 = 10,602.86/x
  3. Step 3: Cross multiply
    42,192.55x = 63,287.13 × 10,602.86
  4. Step 4: Simplify right side
    42,192.55x = 671,024,579.19
  5. Step 5: Solve for x
    x = 671,024,579.19/42,192.55
  6. Step 6: Final answer
    x = 15,903.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.