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Finding the Fourth Proportional to 17,029.90, 25,508.40 and 14,113.90

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Solution

The fourth proportional to 17,029.90, 25,508.40 and 14,113.90 is: 21,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,029.90 : 25,508.40 = 14,113.90 : x
  2. Step 2: Convert to fraction form
    17,029.90/25,508.40 = 14,113.90/x
  3. Step 3: Cross multiply
    17,029.90x = 25,508.40 × 14,113.90
  4. Step 4: Simplify right side
    17,029.90x = 360,023,006.76
  5. Step 5: Solve for x
    x = 360,023,006.76/17,029.90
  6. Step 6: Final answer
    x = 21,140.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.