Home / 22,079.65-30,462.18-12,518.14

Finding the Fourth Proportional to 22,079.65, 30,462.18 and 12,518.14

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Solution

The fourth proportional to 22,079.65, 30,462.18 and 12,518.14 is: 17,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079.65 : 30,462.18 = 12,518.14 : x
  2. Step 2: Convert to fraction form
    22,079.65/30,462.18 = 12,518.14/x
  3. Step 3: Cross multiply
    22,079.65x = 30,462.18 × 12,518.14
  4. Step 4: Simplify right side
    22,079.65x = 381,329,833.95
  5. Step 5: Solve for x
    x = 381,329,833.95/22,079.65
  6. Step 6: Final answer
    x = 17,270.65

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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.