Home / 23,689.13-32,691.06-13,078.67

Finding the Fourth Proportional to 23,689.13, 32,691.06 and 13,078.67

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Solution

The fourth proportional to 23,689.13, 32,691.06 and 13,078.67 is: 18,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.13 : 32,691.06 = 13,078.67 : x
  2. Step 2: Convert to fraction form
    23,689.13/32,691.06 = 13,078.67/x
  3. Step 3: Cross multiply
    23,689.13x = 32,691.06 × 13,078.67
  4. Step 4: Simplify right side
    23,689.13x = 427,555,422.23
  5. Step 5: Solve for x
    x = 427,555,422.23/23,689.13
  6. Step 6: Final answer
    x = 18,048.59

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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.