Home / 22,553.84-31,125.86-12,482.70

Finding the Fourth Proportional to 22,553.84, 31,125.86 and 12,482.70

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Solution

The fourth proportional to 22,553.84, 31,125.86 and 12,482.70 is: 17,226.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,553.84 : 31,125.86 = 12,482.70 : x
  2. Step 2: Convert to fraction form
    22,553.84/31,125.86 = 12,482.70/x
  3. Step 3: Cross multiply
    22,553.84x = 31,125.86 × 12,482.70
  4. Step 4: Simplify right side
    22,553.84x = 388,534,772.62
  5. Step 5: Solve for x
    x = 388,534,772.62/22,553.84
  6. Step 6: Final answer
    x = 17,226.99

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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.