Home / 15,042.72-22,558.38-10,870.11

Finding the Fourth Proportional to 15,042.72, 22,558.38 and 10,870.11

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Solution

The fourth proportional to 15,042.72, 22,558.38 and 10,870.11 is: 16,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042.72 : 22,558.38 = 10,870.11 : x
  2. Step 2: Convert to fraction form
    15,042.72/22,558.38 = 10,870.11/x
  3. Step 3: Cross multiply
    15,042.72x = 22,558.38 × 10,870.11
  4. Step 4: Simplify right side
    15,042.72x = 245,212,072.02
  5. Step 5: Solve for x
    x = 245,212,072.02/15,042.72
  6. Step 6: Final answer
    x = 16,301.05

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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.