Home / 22,335.04-30,822.36-12,399.04

Finding the Fourth Proportional to 22,335.04, 30,822.36 and 12,399.04

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Solution

The fourth proportional to 22,335.04, 30,822.36 and 12,399.04 is: 17,110.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,335.04 : 30,822.36 = 12,399.04 : x
  2. Step 2: Convert to fraction form
    22,335.04/30,822.36 = 12,399.04/x
  3. Step 3: Cross multiply
    22,335.04x = 30,822.36 × 12,399.04
  4. Step 4: Simplify right side
    22,335.04x = 382,167,674.53
  5. Step 5: Solve for x
    x = 382,167,674.53/22,335.04
  6. Step 6: Final answer
    x = 17,110.68

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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.