Home / 17,141.28-23,667.22-13,368.66

Finding the Fourth Proportional to 17,141.28, 23,667.22 and 13,368.66

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Solution

The fourth proportional to 17,141.28, 23,667.22 and 13,368.66 is: 18,458.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,141.28 : 23,667.22 = 13,368.66 : x
  2. Step 2: Convert to fraction form
    17,141.28/23,667.22 = 13,368.66/x
  3. Step 3: Cross multiply
    17,141.28x = 23,667.22 × 13,368.66
  4. Step 4: Simplify right side
    17,141.28x = 316,398,898.99
  5. Step 5: Solve for x
    x = 316,398,898.99/17,141.28
  6. Step 6: Final answer
    x = 18,458.31

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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.