Home / 14,801.80-20,426.15-8,087.46

Finding the Fourth Proportional to 14,801.80, 20,426.15 and 8,087.46

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Solution

The fourth proportional to 14,801.80, 20,426.15 and 8,087.46 is: 11,160.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.80 : 20,426.15 = 8,087.46 : x
  2. Step 2: Convert to fraction form
    14,801.80/20,426.15 = 8,087.46/x
  3. Step 3: Cross multiply
    14,801.80x = 20,426.15 × 8,087.46
  4. Step 4: Simplify right side
    14,801.80x = 165,195,671.08
  5. Step 5: Solve for x
    x = 165,195,671.08/14,801.80
  6. Step 6: Final answer
    x = 11,160.51

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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.