Home / 14,155.73-19,534.43-7,867.97

Finding the Fourth Proportional to 14,155.73, 19,534.43 and 7,867.97

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Solution

The fourth proportional to 14,155.73, 19,534.43 and 7,867.97 is: 10,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.73 : 19,534.43 = 7,867.97 : x
  2. Step 2: Convert to fraction form
    14,155.73/19,534.43 = 7,867.97/x
  3. Step 3: Cross multiply
    14,155.73x = 19,534.43 × 7,867.97
  4. Step 4: Simplify right side
    14,155.73x = 153,696,309.21
  5. Step 5: Solve for x
    x = 153,696,309.21/14,155.73
  6. Step 6: Final answer
    x = 10,857.53

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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.