Home / 42,342.61-63,513.93-10,755.04

Finding the Fourth Proportional to 42,342.61, 63,513.93 and 10,755.04

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Solution

The fourth proportional to 42,342.61, 63,513.93 and 10,755.04 is: 16,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,342.61 : 63,513.93 = 10,755.04 : x
  2. Step 2: Convert to fraction form
    42,342.61/63,513.93 = 10,755.04/x
  3. Step 3: Cross multiply
    42,342.61x = 63,513.93 × 10,755.04
  4. Step 4: Simplify right side
    42,342.61x = 683,094,739.25
  5. Step 5: Solve for x
    x = 683,094,739.25/42,342.61
  6. Step 6: Final answer
    x = 16,132.56

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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.