Home / 19,796.12-29,689.50-5,752.40

Finding the Fourth Proportional to 19,796.12, 29,689.50 and 5,752.40

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Solution

The fourth proportional to 19,796.12, 29,689.50 and 5,752.40 is: 8,627.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.12 : 29,689.50 = 5,752.40 : x
  2. Step 2: Convert to fraction form
    19,796.12/29,689.50 = 5,752.40/x
  3. Step 3: Cross multiply
    19,796.12x = 29,689.50 × 5,752.40
  4. Step 4: Simplify right side
    19,796.12x = 170,785,879.80
  5. Step 5: Solve for x
    x = 170,785,879.80/19,796.12
  6. Step 6: Final answer
    x = 8,627.24

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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.