Home / 23,009.40-34,514.10-13,149.68

Finding the Fourth Proportional to 23,009.40, 34,514.10 and 13,149.68

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Solution

The fourth proportional to 23,009.40, 34,514.10 and 13,149.68 is: 19,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,009.40 : 34,514.10 = 13,149.68 : x
  2. Step 2: Convert to fraction form
    23,009.40/34,514.10 = 13,149.68/x
  3. Step 3: Cross multiply
    23,009.40x = 34,514.10 × 13,149.68
  4. Step 4: Simplify right side
    23,009.40x = 453,849,197.92
  5. Step 5: Solve for x
    x = 453,849,197.92/23,009.40
  6. Step 6: Final answer
    x = 19,724.51

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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.