Home / 14,654.77-20,223.31-8,281.22

Finding the Fourth Proportional to 14,654.77, 20,223.31 and 8,281.22

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Solution

The fourth proportional to 14,654.77, 20,223.31 and 8,281.22 is: 11,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.77 : 20,223.31 = 8,281.22 : x
  2. Step 2: Convert to fraction form
    14,654.77/20,223.31 = 8,281.22/x
  3. Step 3: Cross multiply
    14,654.77x = 20,223.31 × 8,281.22
  4. Step 4: Simplify right side
    14,654.77x = 167,473,686.70
  5. Step 5: Solve for x
    x = 167,473,686.70/14,654.77
  6. Step 6: Final answer
    x = 11,427.93

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Double scale
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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.