Home / 16,987.92-23,451.24-11,332.08

Finding the Fourth Proportional to 16,987.92, 23,451.24 and 11,332.08

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Solution

The fourth proportional to 16,987.92, 23,451.24 and 11,332.08 is: 15,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.92 : 23,451.24 = 11,332.08 : x
  2. Step 2: Convert to fraction form
    16,987.92/23,451.24 = 11,332.08/x
  3. Step 3: Cross multiply
    16,987.92x = 23,451.24 × 11,332.08
  4. Step 4: Simplify right side
    16,987.92x = 265,751,327.78
  5. Step 5: Solve for x
    x = 265,751,327.78/16,987.92
  6. Step 6: Final answer
    x = 15,643.55

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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.