Home / 22,553.87-31,123.91-12,482.32

Finding the Fourth Proportional to 22,553.87, 31,123.91 and 12,482.32

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Solution

The fourth proportional to 22,553.87, 31,123.91 and 12,482.32 is: 17,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,553.87 : 31,123.91 = 12,482.32 : x
  2. Step 2: Convert to fraction form
    22,553.87/31,123.91 = 12,482.32/x
  3. Step 3: Cross multiply
    22,553.87x = 31,123.91 × 12,482.32
  4. Step 4: Simplify right side
    22,553.87x = 388,498,448.65
  5. Step 5: Solve for x
    x = 388,498,448.65/22,553.87
  6. Step 6: Final answer
    x = 17,225.36

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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.