Home / 27,481.52-37,955.40-18,513.32

Finding the Fourth Proportional to 27,481.52, 37,955.40 and 18,513.32

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Solution

The fourth proportional to 27,481.52, 37,955.40 and 18,513.32 is: 25,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,481.52 : 37,955.40 = 18,513.32 : x
  2. Step 2: Convert to fraction form
    27,481.52/37,955.40 = 18,513.32/x
  3. Step 3: Cross multiply
    27,481.52x = 37,955.40 × 18,513.32
  4. Step 4: Simplify right side
    27,481.52x = 702,680,465.93
  5. Step 5: Solve for x
    x = 702,680,465.93/27,481.52
  6. Step 6: Final answer
    x = 25,569.20

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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.