Home / 35,614.15-53,428.78-13,426.99

Finding the Fourth Proportional to 35,614.15, 53,428.78 and 13,426.99

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Solution

The fourth proportional to 35,614.15, 53,428.78 and 13,426.99 is: 20,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,614.15 : 53,428.78 = 13,426.99 : x
  2. Step 2: Convert to fraction form
    35,614.15/53,428.78 = 13,426.99/x
  3. Step 3: Cross multiply
    35,614.15x = 53,428.78 × 13,426.99
  4. Step 4: Simplify right side
    35,614.15x = 717,387,694.77
  5. Step 5: Solve for x
    x = 717,387,694.77/35,614.15
  6. Step 6: Final answer
    x = 20,143.33

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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.