Home / 16,988.36-25,470.91-8,652.24

Finding the Fourth Proportional to 16,988.36, 25,470.91 and 8,652.24

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Solution

The fourth proportional to 16,988.36, 25,470.91 and 8,652.24 is: 12,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.36 : 25,470.91 = 8,652.24 : x
  2. Step 2: Convert to fraction form
    16,988.36/25,470.91 = 8,652.24/x
  3. Step 3: Cross multiply
    16,988.36x = 25,470.91 × 8,652.24
  4. Step 4: Simplify right side
    16,988.36x = 220,380,426.34
  5. Step 5: Solve for x
    x = 220,380,426.34/16,988.36
  6. Step 6: Final answer
    x = 12,972.44

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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.