Home / 22,248.56-30,694.28-14,289.68

Finding the Fourth Proportional to 22,248.56, 30,694.28 and 14,289.68

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Solution

The fourth proportional to 22,248.56, 30,694.28 and 14,289.68 is: 19,714.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,248.56 : 30,694.28 = 14,289.68 : x
  2. Step 2: Convert to fraction form
    22,248.56/30,694.28 = 14,289.68/x
  3. Step 3: Cross multiply
    22,248.56x = 30,694.28 × 14,289.68
  4. Step 4: Simplify right side
    22,248.56x = 438,611,439.03
  5. Step 5: Solve for x
    x = 438,611,439.03/22,248.56
  6. Step 6: Final answer
    x = 19,714.15

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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.