Home / 27,099.08-37,397.28-15,161.12

Finding the Fourth Proportional to 27,099.08, 37,397.28 and 15,161.12

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Solution

The fourth proportional to 27,099.08, 37,397.28 and 15,161.12 is: 20,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,099.08 : 37,397.28 = 15,161.12 : x
  2. Step 2: Convert to fraction form
    27,099.08/37,397.28 = 15,161.12/x
  3. Step 3: Cross multiply
    27,099.08x = 37,397.28 × 15,161.12
  4. Step 4: Simplify right side
    27,099.08x = 566,984,649.75
  5. Step 5: Solve for x
    x = 566,984,649.75/27,099.08
  6. Step 6: Final answer
    x = 20,922.65

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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.