Home / 14,801.61-20,426.51-8,087.65

Finding the Fourth Proportional to 14,801.61, 20,426.51 and 8,087.65

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Solution

The fourth proportional to 14,801.61, 20,426.51 and 8,087.65 is: 11,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.61 : 20,426.51 = 8,087.65 : x
  2. Step 2: Convert to fraction form
    14,801.61/20,426.51 = 8,087.65/x
  3. Step 3: Cross multiply
    14,801.61x = 20,426.51 × 8,087.65
  4. Step 4: Simplify right side
    14,801.61x = 165,202,321.03
  5. Step 5: Solve for x
    x = 165,202,321.03/14,801.61
  6. Step 6: Final answer
    x = 11,161.11

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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.