Home / 14,663.25-20,235.15-7,948.71

Finding the Fourth Proportional to 14,663.25, 20,235.15 and 7,948.71

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Solution

The fourth proportional to 14,663.25, 20,235.15 and 7,948.71 is: 10,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.25 : 20,235.15 = 7,948.71 : x
  2. Step 2: Convert to fraction form
    14,663.25/20,235.15 = 7,948.71/x
  3. Step 3: Cross multiply
    14,663.25x = 20,235.15 × 7,948.71
  4. Step 4: Simplify right side
    14,663.25x = 160,843,339.16
  5. Step 5: Solve for x
    x = 160,843,339.16/14,663.25
  6. Step 6: Final answer
    x = 10,969.15

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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.