Home / 16,778.73-23,159.81-10,810.38

Finding the Fourth Proportional to 16,778.73, 23,159.81 and 10,810.38

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Solution

The fourth proportional to 16,778.73, 23,159.81 and 10,810.38 is: 14,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.73 : 23,159.81 = 10,810.38 : x
  2. Step 2: Convert to fraction form
    16,778.73/23,159.81 = 10,810.38/x
  3. Step 3: Cross multiply
    16,778.73x = 23,159.81 × 10,810.38
  4. Step 4: Simplify right side
    16,778.73x = 250,366,292.78
  5. Step 5: Solve for x
    x = 250,366,292.78/16,778.73
  6. Step 6: Final answer
    x = 14,921.65

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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.