Home / 15,552.59-21,462.53-8,479.04

Finding the Fourth Proportional to 15,552.59, 21,462.53 and 8,479.04

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Solution

The fourth proportional to 15,552.59, 21,462.53 and 8,479.04 is: 11,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.59 : 21,462.53 = 8,479.04 : x
  2. Step 2: Convert to fraction form
    15,552.59/21,462.53 = 8,479.04/x
  3. Step 3: Cross multiply
    15,552.59x = 21,462.53 × 8,479.04
  4. Step 4: Simplify right side
    15,552.59x = 181,981,500.66
  5. Step 5: Solve for x
    x = 181,981,500.66/15,552.59
  6. Step 6: Final answer
    x = 11,701.05

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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.