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Finding the Fourth Proportional to 14,132.88, 19,478.88 and 10,589.94

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Solution

The fourth proportional to 14,132.88, 19,478.88 and 10,589.94 is: 14,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.88 : 19,478.88 = 10,589.94 : x
  2. Step 2: Convert to fraction form
    14,132.88/19,478.88 = 10,589.94/x
  3. Step 3: Cross multiply
    14,132.88x = 19,478.88 × 10,589.94
  4. Step 4: Simplify right side
    14,132.88x = 206,280,170.47
  5. Step 5: Solve for x
    x = 206,280,170.47/14,132.88
  6. Step 6: Final answer
    x = 14,595.76

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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.