Home / 23,200.57-32,016.78-12,590.20

Finding the Fourth Proportional to 23,200.57, 32,016.78 and 12,590.20

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Solution

The fourth proportional to 23,200.57, 32,016.78 and 12,590.20 is: 17,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,200.57 : 32,016.78 = 12,590.20 : x
  2. Step 2: Convert to fraction form
    23,200.57/32,016.78 = 12,590.20/x
  3. Step 3: Cross multiply
    23,200.57x = 32,016.78 × 12,590.20
  4. Step 4: Simplify right side
    23,200.57x = 403,097,707.43
  5. Step 5: Solve for x
    x = 403,097,707.43/23,200.57
  6. Step 6: Final answer
    x = 17,374.48

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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.