Home / 22,171.49-30,596.65-15,809.16

Finding the Fourth Proportional to 22,171.49, 30,596.65 and 15,809.16

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Solution

The fourth proportional to 22,171.49, 30,596.65 and 15,809.16 is: 21,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.49 : 30,596.65 = 15,809.16 : x
  2. Step 2: Convert to fraction form
    22,171.49/30,596.65 = 15,809.16/x
  3. Step 3: Cross multiply
    22,171.49x = 30,596.65 × 15,809.16
  4. Step 4: Simplify right side
    22,171.49x = 483,707,335.31
  5. Step 5: Solve for x
    x = 483,707,335.31/22,171.49
  6. Step 6: Final answer
    x = 21,816.64

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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.