Home / 22,398.24-30,909.12-14,019.36

Finding the Fourth Proportional to 22,398.24, 30,909.12 and 14,019.36

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Solution

The fourth proportional to 22,398.24, 30,909.12 and 14,019.36 is: 19,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,398.24 : 30,909.12 = 14,019.36 : x
  2. Step 2: Convert to fraction form
    22,398.24/30,909.12 = 14,019.36/x
  3. Step 3: Cross multiply
    22,398.24x = 30,909.12 × 14,019.36
  4. Step 4: Simplify right side
    22,398.24x = 433,326,080.56
  5. Step 5: Solve for x
    x = 433,326,080.56/22,398.24
  6. Step 6: Final answer
    x = 19,346.43

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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.