Home / 27,139.74-40,688.73-13,092.54

Finding the Fourth Proportional to 27,139.74, 40,688.73 and 13,092.54

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Solution

The fourth proportional to 27,139.74, 40,688.73 and 13,092.54 is: 19,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,139.74 : 40,688.73 = 13,092.54 : x
  2. Step 2: Convert to fraction form
    27,139.74/40,688.73 = 13,092.54/x
  3. Step 3: Cross multiply
    27,139.74x = 40,688.73 × 13,092.54
  4. Step 4: Simplify right side
    27,139.74x = 532,718,825.07
  5. Step 5: Solve for x
    x = 532,718,825.07/27,139.74
  6. Step 6: Final answer
    x = 19,628.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.