Home / 25,751.76-38,649.51-10,180.32

Finding the Fourth Proportional to 25,751.76, 38,649.51 and 10,180.32

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Solution

The fourth proportional to 25,751.76, 38,649.51 and 10,180.32 is: 15,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.76 : 38,649.51 = 10,180.32 : x
  2. Step 2: Convert to fraction form
    25,751.76/38,649.51 = 10,180.32/x
  3. Step 3: Cross multiply
    25,751.76x = 38,649.51 × 10,180.32
  4. Step 4: Simplify right side
    25,751.76x = 393,464,379.64
  5. Step 5: Solve for x
    x = 393,464,379.64/25,751.76
  6. Step 6: Final answer
    x = 15,279.13

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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.