Home / 25,132.20-37,722.60-12,666.30

Finding the Fourth Proportional to 25,132.20, 37,722.60 and 12,666.30

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Solution

The fourth proportional to 25,132.20, 37,722.60 and 12,666.30 is: 19,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,132.20 : 37,722.60 = 12,666.30 : x
  2. Step 2: Convert to fraction form
    25,132.20/37,722.60 = 12,666.30/x
  3. Step 3: Cross multiply
    25,132.20x = 37,722.60 × 12,666.30
  4. Step 4: Simplify right side
    25,132.20x = 477,805,768.38
  5. Step 5: Solve for x
    x = 477,805,768.38/25,132.20
  6. Step 6: Final answer
    x = 19,011.70

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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.