Home / 39,522.13-59,268.92-13,220.72

Finding the Fourth Proportional to 39,522.13, 59,268.92 and 13,220.72

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Solution

The fourth proportional to 39,522.13, 59,268.92 and 13,220.72 is: 19,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,522.13 : 59,268.92 = 13,220.72 : x
  2. Step 2: Convert to fraction form
    39,522.13/59,268.92 = 13,220.72/x
  3. Step 3: Cross multiply
    39,522.13x = 59,268.92 × 13,220.72
  4. Step 4: Simplify right side
    39,522.13x = 783,577,655.83
  5. Step 5: Solve for x
    x = 783,577,655.83/39,522.13
  6. Step 6: Final answer
    x = 19,826.30

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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.