Home / 26,422.16-39,638.42-9,782.32

Finding the Fourth Proportional to 26,422.16, 39,638.42 and 9,782.32

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Solution

The fourth proportional to 26,422.16, 39,638.42 and 9,782.32 is: 14,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.16 : 39,638.42 = 9,782.32 : x
  2. Step 2: Convert to fraction form
    26,422.16/39,638.42 = 9,782.32/x
  3. Step 3: Cross multiply
    26,422.16x = 39,638.42 × 9,782.32
  4. Step 4: Simplify right side
    26,422.16x = 387,755,708.73
  5. Step 5: Solve for x
    x = 387,755,708.73/26,422.16
  6. Step 6: Final answer
    x = 14,675.40

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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.