Home / 22,959.20-34,438.80-15,523.40

Finding the Fourth Proportional to 22,959.20, 34,438.80 and 15,523.40

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Solution

The fourth proportional to 22,959.20, 34,438.80 and 15,523.40 is: 23,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,959.20 : 34,438.80 = 15,523.40 : x
  2. Step 2: Convert to fraction form
    22,959.20/34,438.80 = 15,523.40/x
  3. Step 3: Cross multiply
    22,959.20x = 34,438.80 × 15,523.40
  4. Step 4: Simplify right side
    22,959.20x = 534,607,267.92
  5. Step 5: Solve for x
    x = 534,607,267.92/22,959.20
  6. Step 6: Final answer
    x = 23,285.10

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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.