Home / 22,002.16-30,358.08-13,045.12

Finding the Fourth Proportional to 22,002.16, 30,358.08 and 13,045.12

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Solution

The fourth proportional to 22,002.16, 30,358.08 and 13,045.12 is: 17,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.16 : 30,358.08 = 13,045.12 : x
  2. Step 2: Convert to fraction form
    22,002.16/30,358.08 = 13,045.12/x
  3. Step 3: Cross multiply
    22,002.16x = 30,358.08 × 13,045.12
  4. Step 4: Simplify right side
    22,002.16x = 396,024,796.57
  5. Step 5: Solve for x
    x = 396,024,796.57/22,002.16
  6. Step 6: Final answer
    x = 17,999.36

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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.