Home / 13,854.29-19,114.18-7,884.46

Finding the Fourth Proportional to 13,854.29, 19,114.18 and 7,884.46

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Solution

The fourth proportional to 13,854.29, 19,114.18 and 7,884.46 is: 10,877.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.29 : 19,114.18 = 7,884.46 : x
  2. Step 2: Convert to fraction form
    13,854.29/19,114.18 = 7,884.46/x
  3. Step 3: Cross multiply
    13,854.29x = 19,114.18 × 7,884.46
  4. Step 4: Simplify right side
    13,854.29x = 150,704,987.64
  5. Step 5: Solve for x
    x = 150,704,987.64/13,854.29
  6. Step 6: Final answer
    x = 10,877.86

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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.