Home / 22,109.08-30,508.99-12,549.16

Finding the Fourth Proportional to 22,109.08, 30,508.99 and 12,549.16

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Solution

The fourth proportional to 22,109.08, 30,508.99 and 12,549.16 is: 17,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.08 : 30,508.99 = 12,549.16 : x
  2. Step 2: Convert to fraction form
    22,109.08/30,508.99 = 12,549.16/x
  3. Step 3: Cross multiply
    22,109.08x = 30,508.99 × 12,549.16
  4. Step 4: Simplify right side
    22,109.08x = 382,862,122.98
  5. Step 5: Solve for x
    x = 382,862,122.98/22,109.08
  6. Step 6: Final answer
    x = 17,316.97

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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.