Home / 22,248.64-30,700.10-13,294.26

Finding the Fourth Proportional to 22,248.64, 30,700.10 and 13,294.26

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Solution

The fourth proportional to 22,248.64, 30,700.10 and 13,294.26 is: 18,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,248.64 : 30,700.10 = 13,294.26 : x
  2. Step 2: Convert to fraction form
    22,248.64/30,700.10 = 13,294.26/x
  3. Step 3: Cross multiply
    22,248.64x = 30,700.10 × 13,294.26
  4. Step 4: Simplify right side
    22,248.64x = 408,135,111.43
  5. Step 5: Solve for x
    x = 408,135,111.43/22,248.64
  6. Step 6: Final answer
    x = 18,344.27

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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.