Home / 19,358.90-29,036.75-13,713.25

Finding the Fourth Proportional to 19,358.90, 29,036.75 and 13,713.25

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Solution

The fourth proportional to 19,358.90, 29,036.75 and 13,713.25 is: 20,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.90 : 29,036.75 = 13,713.25 : x
  2. Step 2: Convert to fraction form
    19,358.90/29,036.75 = 13,713.25/x
  3. Step 3: Cross multiply
    19,358.90x = 29,036.75 × 13,713.25
  4. Step 4: Simplify right side
    19,358.90x = 398,188,070.78
  5. Step 5: Solve for x
    x = 398,188,070.78/19,358.90
  6. Step 6: Final answer
    x = 20,568.74

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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.