Home / 25,315.30-37,951.41-15,461.51

Finding the Fourth Proportional to 25,315.30, 37,951.41 and 15,461.51

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Solution

The fourth proportional to 25,315.30, 37,951.41 and 15,461.51 is: 23,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.30 : 37,951.41 = 15,461.51 : x
  2. Step 2: Convert to fraction form
    25,315.30/37,951.41 = 15,461.51/x
  3. Step 3: Cross multiply
    25,315.30x = 37,951.41 × 15,461.51
  4. Step 4: Simplify right side
    25,315.30x = 586,785,973.45
  5. Step 5: Solve for x
    x = 586,785,973.45/25,315.30
  6. Step 6: Final answer
    x = 23,179.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.