Home / 25,536.78-35,243.28-15,467.76

Finding the Fourth Proportional to 25,536.78, 35,243.28 and 15,467.76

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Solution

The fourth proportional to 25,536.78, 35,243.28 and 15,467.76 is: 21,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,536.78 : 35,243.28 = 15,467.76 : x
  2. Step 2: Convert to fraction form
    25,536.78/35,243.28 = 15,467.76/x
  3. Step 3: Cross multiply
    25,536.78x = 35,243.28 × 15,467.76
  4. Step 4: Simplify right side
    25,536.78x = 545,134,596.65
  5. Step 5: Solve for x
    x = 545,134,596.65/25,536.78
  6. Step 6: Final answer
    x = 21,347.04

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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.