Home / 27,645.63-38,140.14-17,016.81

Finding the Fourth Proportional to 27,645.63, 38,140.14 and 17,016.81

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Solution

The fourth proportional to 27,645.63, 38,140.14 and 17,016.81 is: 23,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,645.63 : 38,140.14 = 17,016.81 : x
  2. Step 2: Convert to fraction form
    27,645.63/38,140.14 = 17,016.81/x
  3. Step 3: Cross multiply
    27,645.63x = 38,140.14 × 17,016.81
  4. Step 4: Simplify right side
    27,645.63x = 649,023,515.75
  5. Step 5: Solve for x
    x = 649,023,515.75/27,645.63
  6. Step 6: Final answer
    x = 23,476.53

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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.