Home / 22,780.08-31,440.50-14,723.62

Finding the Fourth Proportional to 22,780.08, 31,440.50 and 14,723.62

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Solution

The fourth proportional to 22,780.08, 31,440.50 and 14,723.62 is: 20,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,780.08 : 31,440.50 = 14,723.62 : x
  2. Step 2: Convert to fraction form
    22,780.08/31,440.50 = 14,723.62/x
  3. Step 3: Cross multiply
    22,780.08x = 31,440.50 × 14,723.62
  4. Step 4: Simplify right side
    22,780.08x = 462,917,900.99
  5. Step 5: Solve for x
    x = 462,917,900.99/22,780.08
  6. Step 6: Final answer
    x = 20,321.17

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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.