Home / 22,158.60-30,577.14-12,725.34

Finding the Fourth Proportional to 22,158.60, 30,577.14 and 12,725.34

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Solution

The fourth proportional to 22,158.60, 30,577.14 and 12,725.34 is: 17,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,158.60 : 30,577.14 = 12,725.34 : x
  2. Step 2: Convert to fraction form
    22,158.60/30,577.14 = 12,725.34/x
  3. Step 3: Cross multiply
    22,158.60x = 30,577.14 × 12,725.34
  4. Step 4: Simplify right side
    22,158.60x = 389,104,502.73
  5. Step 5: Solve for x
    x = 389,104,502.73/22,158.60
  6. Step 6: Final answer
    x = 17,559.98

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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.