Home / 25,232.78-34,804.22-15,666.95

Finding the Fourth Proportional to 25,232.78, 34,804.22 and 15,666.95

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Solution

The fourth proportional to 25,232.78, 34,804.22 and 15,666.95 is: 21,609.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,232.78 : 34,804.22 = 15,666.95 : x
  2. Step 2: Convert to fraction form
    25,232.78/34,804.22 = 15,666.95/x
  3. Step 3: Cross multiply
    25,232.78x = 34,804.22 × 15,666.95
  4. Step 4: Simplify right side
    25,232.78x = 545,275,983.20
  5. Step 5: Solve for x
    x = 545,275,983.20/25,232.78
  6. Step 6: Final answer
    x = 21,609.82

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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.