Home / 15,371.69-23,057.55-4,278.41

Finding the Fourth Proportional to 15,371.69, 23,057.55 and 4,278.41

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Solution

The fourth proportional to 15,371.69, 23,057.55 and 4,278.41 is: 6,417.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371.69 : 23,057.55 = 4,278.41 : x
  2. Step 2: Convert to fraction form
    15,371.69/23,057.55 = 4,278.41/x
  3. Step 3: Cross multiply
    15,371.69x = 23,057.55 × 4,278.41
  4. Step 4: Simplify right side
    15,371.69x = 98,649,537.21
  5. Step 5: Solve for x
    x = 98,649,537.21/15,371.69
  6. Step 6: Final answer
    x = 6,417.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.