Home / 16,955.16-23,385.66-11,650.20

Finding the Fourth Proportional to 16,955.16, 23,385.66 and 11,650.20

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Solution

The fourth proportional to 16,955.16, 23,385.66 and 11,650.20 is: 16,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.16 : 23,385.66 = 11,650.20 : x
  2. Step 2: Convert to fraction form
    16,955.16/23,385.66 = 11,650.20/x
  3. Step 3: Cross multiply
    16,955.16x = 23,385.66 × 11,650.20
  4. Step 4: Simplify right side
    16,955.16x = 272,447,616.13
  5. Step 5: Solve for x
    x = 272,447,616.13/16,955.16
  6. Step 6: Final answer
    x = 16,068.71

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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.