Home / 26,061.80-39,061.26-12,002.59

Finding the Fourth Proportional to 26,061.80, 39,061.26 and 12,002.59

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Solution

The fourth proportional to 26,061.80, 39,061.26 and 12,002.59 is: 17,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,061.80 : 39,061.26 = 12,002.59 : x
  2. Step 2: Convert to fraction form
    26,061.80/39,061.26 = 12,002.59/x
  3. Step 3: Cross multiply
    26,061.80x = 39,061.26 × 12,002.59
  4. Step 4: Simplify right side
    26,061.80x = 468,836,191.01
  5. Step 5: Solve for x
    x = 468,836,191.01/26,061.80
  6. Step 6: Final answer
    x = 17,989.40

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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.