Home / 14,680.40-20,258.82-8,306.93

Finding the Fourth Proportional to 14,680.40, 20,258.82 and 8,306.93

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Solution

The fourth proportional to 14,680.40, 20,258.82 and 8,306.93 is: 11,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.40 : 20,258.82 = 8,306.93 : x
  2. Step 2: Convert to fraction form
    14,680.40/20,258.82 = 8,306.93/x
  3. Step 3: Cross multiply
    14,680.40x = 20,258.82 × 8,306.93
  4. Step 4: Simplify right side
    14,680.40x = 168,288,599.62
  5. Step 5: Solve for x
    x = 168,288,599.62/14,680.40
  6. Step 6: Final answer
    x = 11,463.49

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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.