Home / 16,542.34-22,828.56-8,988.70

Finding the Fourth Proportional to 16,542.34, 22,828.56 and 8,988.70

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Solution

The fourth proportional to 16,542.34, 22,828.56 and 8,988.70 is: 12,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,542.34 : 22,828.56 = 8,988.70 : x
  2. Step 2: Convert to fraction form
    16,542.34/22,828.56 = 8,988.70/x
  3. Step 3: Cross multiply
    16,542.34x = 22,828.56 × 8,988.70
  4. Step 4: Simplify right side
    16,542.34x = 205,199,077.27
  5. Step 5: Solve for x
    x = 205,199,077.27/16,542.34
  6. Step 6: Final answer
    x = 12,404.48

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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.