Home / 15,946.13-22,005.87-8,872.54

Finding the Fourth Proportional to 15,946.13, 22,005.87 and 8,872.54

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Solution

The fourth proportional to 15,946.13, 22,005.87 and 8,872.54 is: 12,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.13 : 22,005.87 = 8,872.54 : x
  2. Step 2: Convert to fraction form
    15,946.13/22,005.87 = 8,872.54/x
  3. Step 3: Cross multiply
    15,946.13x = 22,005.87 × 8,872.54
  4. Step 4: Simplify right side
    15,946.13x = 195,247,961.81
  5. Step 5: Solve for x
    x = 195,247,961.81/15,946.13
  6. Step 6: Final answer
    x = 12,244.22

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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.