Home / 39,586.28-59,382.54-13,290.92

Finding the Fourth Proportional to 39,586.28, 59,382.54 and 13,290.92

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Solution

The fourth proportional to 39,586.28, 59,382.54 and 13,290.92 is: 19,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,586.28 : 59,382.54 = 13,290.92 : x
  2. Step 2: Convert to fraction form
    39,586.28/59,382.54 = 13,290.92/x
  3. Step 3: Cross multiply
    39,586.28x = 59,382.54 × 13,290.92
  4. Step 4: Simplify right side
    39,586.28x = 789,248,588.54
  5. Step 5: Solve for x
    x = 789,248,588.54/39,586.28
  6. Step 6: Final answer
    x = 19,937.43

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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.