Home / 16,720.83-23,073.71-9,551.57

Finding the Fourth Proportional to 16,720.83, 23,073.71 and 9,551.57

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Solution

The fourth proportional to 16,720.83, 23,073.71 and 9,551.57 is: 13,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.83 : 23,073.71 = 9,551.57 : x
  2. Step 2: Convert to fraction form
    16,720.83/23,073.71 = 9,551.57/x
  3. Step 3: Cross multiply
    16,720.83x = 23,073.71 × 9,551.57
  4. Step 4: Simplify right side
    16,720.83x = 220,389,993.10
  5. Step 5: Solve for x
    x = 220,389,993.10/16,720.83
  6. Step 6: Final answer
    x = 13,180.57

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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.