Home / 15,826.05-23,740.43-4,139.25

Finding the Fourth Proportional to 15,826.05, 23,740.43 and 4,139.25

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Solution

The fourth proportional to 15,826.05, 23,740.43 and 4,139.25 is: 6,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826.05 : 23,740.43 = 4,139.25 : x
  2. Step 2: Convert to fraction form
    15,826.05/23,740.43 = 4,139.25/x
  3. Step 3: Cross multiply
    15,826.05x = 23,740.43 × 4,139.25
  4. Step 4: Simplify right side
    15,826.05x = 98,267,574.88
  5. Step 5: Solve for x
    x = 98,267,574.88/15,826.05
  6. Step 6: Final answer
    x = 6,209.23

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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.