Home / 19,395.57-26,765.15-11,854.52

Finding the Fourth Proportional to 19,395.57, 26,765.15 and 11,854.52

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Solution

The fourth proportional to 19,395.57, 26,765.15 and 11,854.52 is: 16,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.57 : 26,765.15 = 11,854.52 : x
  2. Step 2: Convert to fraction form
    19,395.57/26,765.15 = 11,854.52/x
  3. Step 3: Cross multiply
    19,395.57x = 26,765.15 × 11,854.52
  4. Step 4: Simplify right side
    19,395.57x = 317,287,812.88
  5. Step 5: Solve for x
    x = 317,287,812.88/19,395.57
  6. Step 6: Final answer
    x = 16,358.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.