Home / 27,639.36-38,147.76-19,251

Finding the Fourth Proportional to 27,639.36, 38,147.76 and 19,251

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Solution

The fourth proportional to 27,639.36, 38,147.76 and 19,251 is: 26,570.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.36 : 38,147.76 = 19,251 : x
  2. Step 2: Convert to fraction form
    27,639.36/38,147.76 = 19,251/x
  3. Step 3: Cross multiply
    27,639.36x = 38,147.76 × 19,251
  4. Step 4: Simplify right side
    27,639.36x = 734,382,527.76
  5. Step 5: Solve for x
    x = 734,382,527.76/27,639.36
  6. Step 6: Final answer
    x = 26,570.17

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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.