Home / 39,426.38-59,139.59-11,724.38

Finding the Fourth Proportional to 39,426.38, 59,139.59 and 11,724.38

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Solution

The fourth proportional to 39,426.38, 59,139.59 and 11,724.38 is: 17,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,426.38 : 59,139.59 = 11,724.38 : x
  2. Step 2: Convert to fraction form
    39,426.38/59,139.59 = 11,724.38/x
  3. Step 3: Cross multiply
    39,426.38x = 59,139.59 × 11,724.38
  4. Step 4: Simplify right side
    39,426.38x = 693,374,671.88
  5. Step 5: Solve for x
    x = 693,374,671.88/39,426.38
  6. Step 6: Final answer
    x = 17,586.57

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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.