Home / 14,122.22-19,487.88-8,153.52

Finding the Fourth Proportional to 14,122.22, 19,487.88 and 8,153.52

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Solution

The fourth proportional to 14,122.22, 19,487.88 and 8,153.52 is: 11,251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.22 : 19,487.88 = 8,153.52 : x
  2. Step 2: Convert to fraction form
    14,122.22/19,487.88 = 8,153.52/x
  3. Step 3: Cross multiply
    14,122.22x = 19,487.88 × 8,153.52
  4. Step 4: Simplify right side
    14,122.22x = 158,894,819.34
  5. Step 5: Solve for x
    x = 158,894,819.34/14,122.22
  6. Step 6: Final answer
    x = 11,251.41

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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.