Home / 14,151.48-19,528.92-7,863.72

Finding the Fourth Proportional to 14,151.48, 19,528.92 and 7,863.72

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Solution

The fourth proportional to 14,151.48, 19,528.92 and 7,863.72 is: 10,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.48 : 19,528.92 = 7,863.72 : x
  2. Step 2: Convert to fraction form
    14,151.48/19,528.92 = 7,863.72/x
  3. Step 3: Cross multiply
    14,151.48x = 19,528.92 × 7,863.72
  4. Step 4: Simplify right side
    14,151.48x = 153,569,958.78
  5. Step 5: Solve for x
    x = 153,569,958.78/14,151.48
  6. Step 6: Final answer
    x = 10,851.87

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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.