Home / 22,148.34-30,552.75-13,652.31

Finding the Fourth Proportional to 22,148.34, 30,552.75 and 13,652.31

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Solution

The fourth proportional to 22,148.34, 30,552.75 and 13,652.31 is: 18,832.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.34 : 30,552.75 = 13,652.31 : x
  2. Step 2: Convert to fraction form
    22,148.34/30,552.75 = 13,652.31/x
  3. Step 3: Cross multiply
    22,148.34x = 30,552.75 × 13,652.31
  4. Step 4: Simplify right side
    22,148.34x = 417,115,614.35
  5. Step 5: Solve for x
    x = 417,115,614.35/22,148.34
  6. Step 6: Final answer
    x = 18,832.82

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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.