Home / 39,505.79-59,249.89-11,419.70

Finding the Fourth Proportional to 39,505.79, 59,249.89 and 11,419.70

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Solution

The fourth proportional to 39,505.79, 59,249.89 and 11,419.70 is: 17,127.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,505.79 : 59,249.89 = 11,419.70 : x
  2. Step 2: Convert to fraction form
    39,505.79/59,249.89 = 11,419.70/x
  3. Step 3: Cross multiply
    39,505.79x = 59,249.89 × 11,419.70
  4. Step 4: Simplify right side
    39,505.79x = 676,615,686.86
  5. Step 5: Solve for x
    x = 676,615,686.86/39,505.79
  6. Step 6: Final answer
    x = 17,127.00

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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.