Home / 17,589.78-26,385.48-9,792.72

Finding the Fourth Proportional to 17,589.78, 26,385.48 and 9,792.72

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Solution

The fourth proportional to 17,589.78, 26,385.48 and 9,792.72 is: 14,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,589.78 : 26,385.48 = 9,792.72 : x
  2. Step 2: Convert to fraction form
    17,589.78/26,385.48 = 9,792.72/x
  3. Step 3: Cross multiply
    17,589.78x = 26,385.48 × 9,792.72
  4. Step 4: Simplify right side
    17,589.78x = 258,385,617.71
  5. Step 5: Solve for x
    x = 258,385,617.71/17,589.78
  6. Step 6: Final answer
    x = 14,689.53

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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.