Home / 47,923.76-71,885.66-12,863.42

Finding the Fourth Proportional to 47,923.76, 71,885.66 and 12,863.42

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Solution

The fourth proportional to 47,923.76, 71,885.66 and 12,863.42 is: 19,295.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,923.76 : 71,885.66 = 12,863.42 : x
  2. Step 2: Convert to fraction form
    47,923.76/71,885.66 = 12,863.42/x
  3. Step 3: Cross multiply
    47,923.76x = 71,885.66 × 12,863.42
  4. Step 4: Simplify right side
    47,923.76x = 924,695,012.81
  5. Step 5: Solve for x
    x = 924,695,012.81/47,923.76
  6. Step 6: Final answer
    x = 19,295.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.