Home / 23,750.81-32,774.76-13,139.81

Finding the Fourth Proportional to 23,750.81, 32,774.76 and 13,139.81

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Solution

The fourth proportional to 23,750.81, 32,774.76 and 13,139.81 is: 18,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,750.81 : 32,774.76 = 13,139.81 : x
  2. Step 2: Convert to fraction form
    23,750.81/32,774.76 = 13,139.81/x
  3. Step 3: Cross multiply
    23,750.81x = 32,774.76 × 13,139.81
  4. Step 4: Simplify right side
    23,750.81x = 430,654,119.20
  5. Step 5: Solve for x
    x = 430,654,119.20/23,750.81
  6. Step 6: Final answer
    x = 18,132.19

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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.