Home / 15,311.10-22,972.38-10,426.80

Finding the Fourth Proportional to 15,311.10, 22,972.38 and 10,426.80

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Solution

The fourth proportional to 15,311.10, 22,972.38 and 10,426.80 is: 15,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311.10 : 22,972.38 = 10,426.80 : x
  2. Step 2: Convert to fraction form
    15,311.10/22,972.38 = 10,426.80/x
  3. Step 3: Cross multiply
    15,311.10x = 22,972.38 × 10,426.80
  4. Step 4: Simplify right side
    15,311.10x = 239,528,411.78
  5. Step 5: Solve for x
    x = 239,528,411.78/15,311.10
  6. Step 6: Final answer
    x = 15,644.10

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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.