Home / 25,668.78-35,422.56-14,338.46

Finding the Fourth Proportional to 25,668.78, 35,422.56 and 14,338.46

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Solution

The fourth proportional to 25,668.78, 35,422.56 and 14,338.46 is: 19,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.78 : 35,422.56 = 14,338.46 : x
  2. Step 2: Convert to fraction form
    25,668.78/35,422.56 = 14,338.46/x
  3. Step 3: Cross multiply
    25,668.78x = 35,422.56 × 14,338.46
  4. Step 4: Simplify right side
    25,668.78x = 507,904,959.66
  5. Step 5: Solve for x
    x = 507,904,959.66/25,668.78
  6. Step 6: Final answer
    x = 19,786.88

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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.