Home / 27,586.86-38,064.10-18,040.74

Finding the Fourth Proportional to 27,586.86, 38,064.10 and 18,040.74

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Solution

The fourth proportional to 27,586.86, 38,064.10 and 18,040.74 is: 24,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,586.86 : 38,064.10 = 18,040.74 : x
  2. Step 2: Convert to fraction form
    27,586.86/38,064.10 = 18,040.74/x
  3. Step 3: Cross multiply
    27,586.86x = 38,064.10 × 18,040.74
  4. Step 4: Simplify right side
    27,586.86x = 686,704,531.43
  5. Step 5: Solve for x
    x = 686,704,531.43/27,586.86
  6. Step 6: Final answer
    x = 24,892.45

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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.