Home / 23,748.95-32,771.74-13,138.35

Finding the Fourth Proportional to 23,748.95, 32,771.74 and 13,138.35

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Solution

The fourth proportional to 23,748.95, 32,771.74 and 13,138.35 is: 18,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,748.95 : 32,771.74 = 13,138.35 : x
  2. Step 2: Convert to fraction form
    23,748.95/32,771.74 = 13,138.35/x
  3. Step 3: Cross multiply
    23,748.95x = 32,771.74 × 13,138.35
  4. Step 4: Simplify right side
    23,748.95x = 430,566,672.16
  5. Step 5: Solve for x
    x = 430,566,672.16/23,748.95
  6. Step 6: Final answer
    x = 18,129.93

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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.