Home / 23,749.98-32,775.12-13,139.79

Finding the Fourth Proportional to 23,749.98, 32,775.12 and 13,139.79

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Solution

The fourth proportional to 23,749.98, 32,775.12 and 13,139.79 is: 18,132.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,749.98 : 32,775.12 = 13,139.79 : x
  2. Step 2: Convert to fraction form
    23,749.98/32,775.12 = 13,139.79/x
  3. Step 3: Cross multiply
    23,749.98x = 32,775.12 × 13,139.79
  4. Step 4: Simplify right side
    23,749.98x = 430,658,194.02
  5. Step 5: Solve for x
    x = 430,658,194.02/23,749.98
  6. Step 6: Final answer
    x = 18,132.99

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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.