Home / 23,795.11-32,840.70-13,721.55

Finding the Fourth Proportional to 23,795.11, 32,840.70 and 13,721.55

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Solution

The fourth proportional to 23,795.11, 32,840.70 and 13,721.55 is: 18,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,795.11 : 32,840.70 = 13,721.55 : x
  2. Step 2: Convert to fraction form
    23,795.11/32,840.70 = 13,721.55/x
  3. Step 3: Cross multiply
    23,795.11x = 32,840.70 × 13,721.55
  4. Step 4: Simplify right side
    23,795.11x = 450,625,074.27
  5. Step 5: Solve for x
    x = 450,625,074.27/23,795.11
  6. Step 6: Final answer
    x = 18,937.72

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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.