Home / 15,331.60-23,000.10-5,476.60

Finding the Fourth Proportional to 15,331.60, 23,000.10 and 5,476.60

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Solution

The fourth proportional to 15,331.60, 23,000.10 and 5,476.60 is: 8,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331.60 : 23,000.10 = 5,476.60 : x
  2. Step 2: Convert to fraction form
    15,331.60/23,000.10 = 5,476.60/x
  3. Step 3: Cross multiply
    15,331.60x = 23,000.10 × 5,476.60
  4. Step 4: Simplify right side
    15,331.60x = 125,962,347.66
  5. Step 5: Solve for x
    x = 125,962,347.66/15,331.60
  6. Step 6: Final answer
    x = 8,215.86

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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.