Home / 27,498.40-37,889.17-18,530.33

Finding the Fourth Proportional to 27,498.40, 37,889.17 and 18,530.33

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Solution

The fourth proportional to 27,498.40, 37,889.17 and 18,530.33 is: 25,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,498.40 : 37,889.17 = 18,530.33 : x
  2. Step 2: Convert to fraction form
    27,498.40/37,889.17 = 18,530.33/x
  3. Step 3: Cross multiply
    27,498.40x = 37,889.17 × 18,530.33
  4. Step 4: Simplify right side
    27,498.40x = 702,098,587.75
  5. Step 5: Solve for x
    x = 702,098,587.75/27,498.40
  6. Step 6: Final answer
    x = 25,532.35

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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.