Home / 23,388.16-32,275.12-12,778.08

Finding the Fourth Proportional to 23,388.16, 32,275.12 and 12,778.08

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Solution

The fourth proportional to 23,388.16, 32,275.12 and 12,778.08 is: 17,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,388.16 : 32,275.12 = 12,778.08 : x
  2. Step 2: Convert to fraction form
    23,388.16/32,275.12 = 12,778.08/x
  3. Step 3: Cross multiply
    23,388.16x = 32,275.12 × 12,778.08
  4. Step 4: Simplify right side
    23,388.16x = 412,414,065.37
  5. Step 5: Solve for x
    x = 412,414,065.37/23,388.16
  6. Step 6: Final answer
    x = 17,633.45

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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.