Home / 22,269.08-30,717.10-15,552.20

Finding the Fourth Proportional to 22,269.08, 30,717.10 and 15,552.20

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Solution

The fourth proportional to 22,269.08, 30,717.10 and 15,552.20 is: 21,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.08 : 30,717.10 = 15,552.20 : x
  2. Step 2: Convert to fraction form
    22,269.08/30,717.10 = 15,552.20/x
  3. Step 3: Cross multiply
    22,269.08x = 30,717.10 × 15,552.20
  4. Step 4: Simplify right side
    22,269.08x = 477,718,482.62
  5. Step 5: Solve for x
    x = 477,718,482.62/22,269.08
  6. Step 6: Final answer
    x = 21,452.10

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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.