Home / 23,590.56-32,554.16-12,979.20

Finding the Fourth Proportional to 23,590.56, 32,554.16 and 12,979.20

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Solution

The fourth proportional to 23,590.56, 32,554.16 and 12,979.20 is: 17,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,590.56 : 32,554.16 = 12,979.20 : x
  2. Step 2: Convert to fraction form
    23,590.56/32,554.16 = 12,979.20/x
  3. Step 3: Cross multiply
    23,590.56x = 32,554.16 × 12,979.20
  4. Step 4: Simplify right side
    23,590.56x = 422,526,953.47
  5. Step 5: Solve for x
    x = 422,526,953.47/23,590.56
  6. Step 6: Final answer
    x = 17,910.85

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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.