Home / 25,148.40-37,726.20-8,505.60

Finding the Fourth Proportional to 25,148.40, 37,726.20 and 8,505.60

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Solution

The fourth proportional to 25,148.40, 37,726.20 and 8,505.60 is: 12,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.40 : 37,726.20 = 8,505.60 : x
  2. Step 2: Convert to fraction form
    25,148.40/37,726.20 = 8,505.60/x
  3. Step 3: Cross multiply
    25,148.40x = 37,726.20 × 8,505.60
  4. Step 4: Simplify right side
    25,148.40x = 320,883,966.72
  5. Step 5: Solve for x
    x = 320,883,966.72/25,148.40
  6. Step 6: Final answer
    x = 12,759.62

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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.