Home / 20,537.31-28,341.69-12,044.46

Finding the Fourth Proportional to 20,537.31, 28,341.69 and 12,044.46

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Solution

The fourth proportional to 20,537.31, 28,341.69 and 12,044.46 is: 16,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.31 : 28,341.69 = 12,044.46 : x
  2. Step 2: Convert to fraction form
    20,537.31/28,341.69 = 12,044.46/x
  3. Step 3: Cross multiply
    20,537.31x = 28,341.69 × 12,044.46
  4. Step 4: Simplify right side
    20,537.31x = 341,360,351.54
  5. Step 5: Solve for x
    x = 341,360,351.54/20,537.31
  6. Step 6: Final answer
    x = 16,621.47

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1.5x scale

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.