Home / 23,391.06-32,279.70-13,319.51

Finding the Fourth Proportional to 23,391.06, 32,279.70 and 13,319.51

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Solution

The fourth proportional to 23,391.06, 32,279.70 and 13,319.51 is: 18,380.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,391.06 : 32,279.70 = 13,319.51 : x
  2. Step 2: Convert to fraction form
    23,391.06/32,279.70 = 13,319.51/x
  3. Step 3: Cross multiply
    23,391.06x = 32,279.70 × 13,319.51
  4. Step 4: Simplify right side
    23,391.06x = 429,949,625.55
  5. Step 5: Solve for x
    x = 429,949,625.55/23,391.06
  6. Step 6: Final answer
    x = 18,380.94

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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.