Home / 26,432.30-39,638.18-13,275.48

Finding the Fourth Proportional to 26,432.30, 39,638.18 and 13,275.48

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Solution

The fourth proportional to 26,432.30, 39,638.18 and 13,275.48 is: 19,908.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,432.30 : 39,638.18 = 13,275.48 : x
  2. Step 2: Convert to fraction form
    26,432.30/39,638.18 = 13,275.48/x
  3. Step 3: Cross multiply
    26,432.30x = 39,638.18 × 13,275.48
  4. Step 4: Simplify right side
    26,432.30x = 526,215,865.83
  5. Step 5: Solve for x
    x = 526,215,865.83/26,432.30
  6. Step 6: Final answer
    x = 19,908.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.