Home / 22,113.30-30,514.12-13,614.08

Finding the Fourth Proportional to 22,113.30, 30,514.12 and 13,614.08

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Solution

The fourth proportional to 22,113.30, 30,514.12 and 13,614.08 is: 18,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.30 : 30,514.12 = 13,614.08 : x
  2. Step 2: Convert to fraction form
    22,113.30/30,514.12 = 13,614.08/x
  3. Step 3: Cross multiply
    22,113.30x = 30,514.12 × 13,614.08
  4. Step 4: Simplify right side
    22,113.30x = 415,421,484.20
  5. Step 5: Solve for x
    x = 415,421,484.20/22,113.30
  6. Step 6: Final answer
    x = 18,786.04

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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.