Home / 15,948.17-22,009.20-8,875.05

Finding the Fourth Proportional to 15,948.17, 22,009.20 and 8,875.05

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Solution

The fourth proportional to 15,948.17, 22,009.20 and 8,875.05 is: 12,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.17 : 22,009.20 = 8,875.05 : x
  2. Step 2: Convert to fraction form
    15,948.17/22,009.20 = 8,875.05/x
  3. Step 3: Cross multiply
    15,948.17x = 22,009.20 × 8,875.05
  4. Step 4: Simplify right side
    15,948.17x = 195,332,684.57
  5. Step 5: Solve for x
    x = 195,332,684.57/15,948.17
  6. Step 6: Final answer
    x = 12,247.97

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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.