Home / 27,586.61-38,063.76-18,040.49

Finding the Fourth Proportional to 27,586.61, 38,063.76 and 18,040.49

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Solution

The fourth proportional to 27,586.61, 38,063.76 and 18,040.49 is: 24,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,586.61 : 38,063.76 = 18,040.49 : x
  2. Step 2: Convert to fraction form
    27,586.61/38,063.76 = 18,040.49/x
  3. Step 3: Cross multiply
    27,586.61x = 38,063.76 × 18,040.49
  4. Step 4: Simplify right side
    27,586.61x = 686,688,791.44
  5. Step 5: Solve for x
    x = 686,688,791.44/27,586.61
  6. Step 6: Final answer
    x = 24,892.10

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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.