Home / 26,422.72-39,633.68-6,432.40

Finding the Fourth Proportional to 26,422.72, 39,633.68 and 6,432.40

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Solution

The fourth proportional to 26,422.72, 39,633.68 and 6,432.40 is: 9,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.72 : 39,633.68 = 6,432.40 : x
  2. Step 2: Convert to fraction form
    26,422.72/39,633.68 = 6,432.40/x
  3. Step 3: Cross multiply
    26,422.72x = 39,633.68 × 6,432.40
  4. Step 4: Simplify right side
    26,422.72x = 254,939,683.23
  5. Step 5: Solve for x
    x = 254,939,683.23/26,422.72
  6. Step 6: Final answer
    x = 9,648.50

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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.