Home / 27,540.48-37,984.68-18,573.72

Finding the Fourth Proportional to 27,540.48, 37,984.68 and 18,573.72

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Solution

The fourth proportional to 27,540.48, 37,984.68 and 18,573.72 is: 25,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,540.48 : 37,984.68 = 18,573.72 : x
  2. Step 2: Convert to fraction form
    27,540.48/37,984.68 = 18,573.72/x
  3. Step 3: Cross multiply
    27,540.48x = 37,984.68 × 18,573.72
  4. Step 4: Simplify right side
    27,540.48x = 705,516,810.61
  5. Step 5: Solve for x
    x = 705,516,810.61/27,540.48
  6. Step 6: Final answer
    x = 25,617.45

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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.