Home / 15,141.63-22,684.20-10,971.45

Finding the Fourth Proportional to 15,141.63, 22,684.20 and 10,971.45

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Solution

The fourth proportional to 15,141.63, 22,684.20 and 10,971.45 is: 16,436.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.63 : 22,684.20 = 10,971.45 : x
  2. Step 2: Convert to fraction form
    15,141.63/22,684.20 = 10,971.45/x
  3. Step 3: Cross multiply
    15,141.63x = 22,684.20 × 10,971.45
  4. Step 4: Simplify right side
    15,141.63x = 248,878,566.09
  5. Step 5: Solve for x
    x = 248,878,566.09/15,141.63
  6. Step 6: Final answer
    x = 16,436.71

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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.