Home / 17,075.60-25,613.40-15,117.20

Finding the Fourth Proportional to 17,075.60, 25,613.40 and 15,117.20

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Solution

The fourth proportional to 17,075.60, 25,613.40 and 15,117.20 is: 22,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,075.60 : 25,613.40 = 15,117.20 : x
  2. Step 2: Convert to fraction form
    17,075.60/25,613.40 = 15,117.20/x
  3. Step 3: Cross multiply
    17,075.60x = 25,613.40 × 15,117.20
  4. Step 4: Simplify right side
    17,075.60x = 387,202,890.48
  5. Step 5: Solve for x
    x = 387,202,890.48/17,075.60
  6. Step 6: Final answer
    x = 22,675.80

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Similar ratio
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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.