Home / 22,079.99-30,470.78-12,008.66

Finding the Fourth Proportional to 22,079.99, 30,470.78 and 12,008.66

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Solution

The fourth proportional to 22,079.99, 30,470.78 and 12,008.66 is: 16,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079.99 : 30,470.78 = 12,008.66 : x
  2. Step 2: Convert to fraction form
    22,079.99/30,470.78 = 12,008.66/x
  3. Step 3: Cross multiply
    22,079.99x = 30,470.78 × 12,008.66
  4. Step 4: Simplify right side
    22,079.99x = 365,913,114.62
  5. Step 5: Solve for x
    x = 365,913,114.62/22,079.99
  6. Step 6: Final answer
    x = 16,572.16

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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.