Home / 22,166.16-30,646.92-21,186.96

Finding the Fourth Proportional to 22,166.16, 30,646.92 and 21,186.96

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Solution

The fourth proportional to 22,166.16, 30,646.92 and 21,186.96 is: 29,293.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166.16 : 30,646.92 = 21,186.96 : x
  2. Step 2: Convert to fraction form
    22,166.16/30,646.92 = 21,186.96/x
  3. Step 3: Cross multiply
    22,166.16x = 30,646.92 × 21,186.96
  4. Step 4: Simplify right side
    22,166.16x = 649,315,068.16
  5. Step 5: Solve for x
    x = 649,315,068.16/22,166.16
  6. Step 6: Final answer
    x = 29,293.08

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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.