Home / 22,816.80-31,475.52-14,872.32

Finding the Fourth Proportional to 22,816.80, 31,475.52 and 14,872.32

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Solution

The fourth proportional to 22,816.80, 31,475.52 and 14,872.32 is: 20,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,816.80 : 31,475.52 = 14,872.32 : x
  2. Step 2: Convert to fraction form
    22,816.80/31,475.52 = 14,872.32/x
  3. Step 3: Cross multiply
    22,816.80x = 31,475.52 × 14,872.32
  4. Step 4: Simplify right side
    22,816.80x = 468,114,005.61
  5. Step 5: Solve for x
    x = 468,114,005.61/22,816.80
  6. Step 6: Final answer
    x = 20,516.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.