Home / 25,180.09-34,748.76-13,695.11

Finding the Fourth Proportional to 25,180.09, 34,748.76 and 13,695.11

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Solution

The fourth proportional to 25,180.09, 34,748.76 and 13,695.11 is: 18,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,180.09 : 34,748.76 = 13,695.11 : x
  2. Step 2: Convert to fraction form
    25,180.09/34,748.76 = 13,695.11/x
  3. Step 3: Cross multiply
    25,180.09x = 34,748.76 × 13,695.11
  4. Step 4: Simplify right side
    25,180.09x = 475,888,090.56
  5. Step 5: Solve for x
    x = 475,888,090.56/25,180.09
  6. Step 6: Final answer
    x = 18,899.38

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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.