Home / 23,749.80-32,774.58-13,139.21

Finding the Fourth Proportional to 23,749.80, 32,774.58 and 13,139.21

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Solution

The fourth proportional to 23,749.80, 32,774.58 and 13,139.21 is: 18,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,749.80 : 32,774.58 = 13,139.21 : x
  2. Step 2: Convert to fraction form
    23,749.80/32,774.58 = 13,139.21/x
  3. Step 3: Cross multiply
    23,749.80x = 32,774.58 × 13,139.21
  4. Step 4: Simplify right side
    23,749.80x = 430,632,089.28
  5. Step 5: Solve for x
    x = 430,632,089.28/23,749.80
  6. Step 6: Final answer
    x = 18,132.03

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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.