Home / 25,315.32-34,936.59-15,247.02

Finding the Fourth Proportional to 25,315.32, 34,936.59 and 15,247.02

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Solution

The fourth proportional to 25,315.32, 34,936.59 and 15,247.02 is: 21,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.32 : 34,936.59 = 15,247.02 : x
  2. Step 2: Convert to fraction form
    25,315.32/34,936.59 = 15,247.02/x
  3. Step 3: Cross multiply
    25,315.32x = 34,936.59 × 15,247.02
  4. Step 4: Simplify right side
    25,315.32x = 532,678,886.46
  5. Step 5: Solve for x
    x = 532,678,886.46/25,315.32
  6. Step 6: Final answer
    x = 21,041.76

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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.