Home / 42,666.59-63,997.49-13,084.35

Finding the Fourth Proportional to 42,666.59, 63,997.49 and 13,084.35

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Solution

The fourth proportional to 42,666.59, 63,997.49 and 13,084.35 is: 19,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,666.59 : 63,997.49 = 13,084.35 : x
  2. Step 2: Convert to fraction form
    42,666.59/63,997.49 = 13,084.35/x
  3. Step 3: Cross multiply
    42,666.59x = 63,997.49 × 13,084.35
  4. Step 4: Simplify right side
    42,666.59x = 837,365,238.29
  5. Step 5: Solve for x
    x = 837,365,238.29/42,666.59
  6. Step 6: Final answer
    x = 19,625.78

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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.