Home / 14,995.92-20,686.32-11,452.80

Finding the Fourth Proportional to 14,995.92, 20,686.32 and 11,452.80

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Solution

The fourth proportional to 14,995.92, 20,686.32 and 11,452.80 is: 15,798.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995.92 : 20,686.32 = 11,452.80 : x
  2. Step 2: Convert to fraction form
    14,995.92/20,686.32 = 11,452.80/x
  3. Step 3: Cross multiply
    14,995.92x = 20,686.32 × 11,452.80
  4. Step 4: Simplify right side
    14,995.92x = 236,916,285.70
  5. Step 5: Solve for x
    x = 236,916,285.70/14,995.92
  6. Step 6: Final answer
    x = 15,798.72

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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.