Home / 22,555.60-31,125.38-12,483.44

Finding the Fourth Proportional to 22,555.60, 31,125.38 and 12,483.44

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Solution

The fourth proportional to 22,555.60, 31,125.38 and 12,483.44 is: 17,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555.60 : 31,125.38 = 12,483.44 : x
  2. Step 2: Convert to fraction form
    22,555.60/31,125.38 = 12,483.44/x
  3. Step 3: Cross multiply
    22,555.60x = 31,125.38 × 12,483.44
  4. Step 4: Simplify right side
    22,555.60x = 388,551,817.48
  5. Step 5: Solve for x
    x = 388,551,817.48/22,555.60
  6. Step 6: Final answer
    x = 17,226.40

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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.