Home / 17,648.47-26,454.07-13,479.40

Finding the Fourth Proportional to 17,648.47, 26,454.07 and 13,479.40

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Solution

The fourth proportional to 17,648.47, 26,454.07 and 13,479.40 is: 20,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,648.47 : 26,454.07 = 13,479.40 : x
  2. Step 2: Convert to fraction form
    17,648.47/26,454.07 = 13,479.40/x
  3. Step 3: Cross multiply
    17,648.47x = 26,454.07 × 13,479.40
  4. Step 4: Simplify right side
    17,648.47x = 356,584,991.16
  5. Step 5: Solve for x
    x = 356,584,991.16/17,648.47
  6. Step 6: Final answer
    x = 20,204.87

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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.