Home / 14,886.01-20,542.89-8,170.66

Finding the Fourth Proportional to 14,886.01, 20,542.89 and 8,170.66

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Solution

The fourth proportional to 14,886.01, 20,542.89 and 8,170.66 is: 11,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,886.01 : 20,542.89 = 8,170.66 : x
  2. Step 2: Convert to fraction form
    14,886.01/20,542.89 = 8,170.66/x
  3. Step 3: Cross multiply
    14,886.01x = 20,542.89 × 8,170.66
  4. Step 4: Simplify right side
    14,886.01x = 167,848,969.61
  5. Step 5: Solve for x
    x = 167,848,969.61/14,886.01
  6. Step 6: Final answer
    x = 11,275.62

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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.