Home / 16,044.48-22,140.96-8,971.52

Finding the Fourth Proportional to 16,044.48, 22,140.96 and 8,971.52

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Solution

The fourth proportional to 16,044.48, 22,140.96 and 8,971.52 is: 12,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,044.48 : 22,140.96 = 8,971.52 : x
  2. Step 2: Convert to fraction form
    16,044.48/22,140.96 = 8,971.52/x
  3. Step 3: Cross multiply
    16,044.48x = 22,140.96 × 8,971.52
  4. Step 4: Simplify right side
    16,044.48x = 198,638,065.46
  5. Step 5: Solve for x
    x = 198,638,065.46/16,044.48
  6. Step 6: Final answer
    x = 12,380.46

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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.