Home / 22,865.60-34,298.40-18,974.40

Finding the Fourth Proportional to 22,865.60, 34,298.40 and 18,974.40

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Solution

The fourth proportional to 22,865.60, 34,298.40 and 18,974.40 is: 28,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,865.60 : 34,298.40 = 18,974.40 : x
  2. Step 2: Convert to fraction form
    22,865.60/34,298.40 = 18,974.40/x
  3. Step 3: Cross multiply
    22,865.60x = 34,298.40 × 18,974.40
  4. Step 4: Simplify right side
    22,865.60x = 650,791,560.96
  5. Step 5: Solve for x
    x = 650,791,560.96/22,865.60
  6. Step 6: Final answer
    x = 28,461.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.