Home / 14,854.04-20,508.12-13,257.92

Finding the Fourth Proportional to 14,854.04, 20,508.12 and 13,257.92

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Solution

The fourth proportional to 14,854.04, 20,508.12 and 13,257.92 is: 18,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.04 : 20,508.12 = 13,257.92 : x
  2. Step 2: Convert to fraction form
    14,854.04/20,508.12 = 13,257.92/x
  3. Step 3: Cross multiply
    14,854.04x = 20,508.12 × 13,257.92
  4. Step 4: Simplify right side
    14,854.04x = 271,895,014.31
  5. Step 5: Solve for x
    x = 271,895,014.31/14,854.04
  6. Step 6: Final answer
    x = 18,304.45

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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.