Home / 13,854.12-20,785.61-4,963.46

Finding the Fourth Proportional to 13,854.12, 20,785.61 and 4,963.46

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Solution

The fourth proportional to 13,854.12, 20,785.61 and 4,963.46 is: 7,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.12 : 20,785.61 = 4,963.46 : x
  2. Step 2: Convert to fraction form
    13,854.12/20,785.61 = 4,963.46/x
  3. Step 3: Cross multiply
    13,854.12x = 20,785.61 × 4,963.46
  4. Step 4: Simplify right side
    13,854.12x = 103,168,569.21
  5. Step 5: Solve for x
    x = 103,168,569.21/13,854.12
  6. Step 6: Final answer
    x = 7,446.78

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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.