Home / 14,886.06-20,541.51-8,171.66

Finding the Fourth Proportional to 14,886.06, 20,541.51 and 8,171.66

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Solution

The fourth proportional to 14,886.06, 20,541.51 and 8,171.66 is: 11,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,886.06 : 20,541.51 = 8,171.66 : x
  2. Step 2: Convert to fraction form
    14,886.06/20,541.51 = 8,171.66/x
  3. Step 3: Cross multiply
    14,886.06x = 20,541.51 × 8,171.66
  4. Step 4: Simplify right side
    14,886.06x = 167,858,132.90
  5. Step 5: Solve for x
    x = 167,858,132.90/14,886.06
  6. Step 6: Final answer
    x = 11,276.20

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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.