Home / 22,454.22-30,988.62-12,384.60

Finding the Fourth Proportional to 22,454.22, 30,988.62 and 12,384.60

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Solution

The fourth proportional to 22,454.22, 30,988.62 and 12,384.60 is: 17,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.22 : 30,988.62 = 12,384.60 : x
  2. Step 2: Convert to fraction form
    22,454.22/30,988.62 = 12,384.60/x
  3. Step 3: Cross multiply
    22,454.22x = 30,988.62 × 12,384.60
  4. Step 4: Simplify right side
    22,454.22x = 383,781,663.25
  5. Step 5: Solve for x
    x = 383,781,663.25/22,454.22
  6. Step 6: Final answer
    x = 17,091.74

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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.