Home / 15,946.18-22,005.19-8,872.45

Finding the Fourth Proportional to 15,946.18, 22,005.19 and 8,872.45

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Solution

The fourth proportional to 15,946.18, 22,005.19 and 8,872.45 is: 12,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.18 : 22,005.19 = 8,872.45 : x
  2. Step 2: Convert to fraction form
    15,946.18/22,005.19 = 8,872.45/x
  3. Step 3: Cross multiply
    15,946.18x = 22,005.19 × 8,872.45
  4. Step 4: Simplify right side
    15,946.18x = 195,239,948.02
  5. Step 5: Solve for x
    x = 195,239,948.02/15,946.18
  6. Step 6: Final answer
    x = 12,243.68

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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.