Home / 17,427.40-26,121.90-9,641.80

Finding the Fourth Proportional to 17,427.40, 26,121.90 and 9,641.80

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Solution

The fourth proportional to 17,427.40, 26,121.90 and 9,641.80 is: 14,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,427.40 : 26,121.90 = 9,641.80 : x
  2. Step 2: Convert to fraction form
    17,427.40/26,121.90 = 9,641.80/x
  3. Step 3: Cross multiply
    17,427.40x = 26,121.90 × 9,641.80
  4. Step 4: Simplify right side
    17,427.40x = 251,862,135.42
  5. Step 5: Solve for x
    x = 251,862,135.42/17,427.40
  6. Step 6: Final answer
    x = 14,452.08

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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.