Home / 22,320.10-30,802.06-12,248.36

Finding the Fourth Proportional to 22,320.10, 30,802.06 and 12,248.36

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Solution

The fourth proportional to 22,320.10, 30,802.06 and 12,248.36 is: 16,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.10 : 30,802.06 = 12,248.36 : x
  2. Step 2: Convert to fraction form
    22,320.10/30,802.06 = 12,248.36/x
  3. Step 3: Cross multiply
    22,320.10x = 30,802.06 × 12,248.36
  4. Step 4: Simplify right side
    22,320.10x = 377,274,719.62
  5. Step 5: Solve for x
    x = 377,274,719.62/22,320.10
  6. Step 6: Final answer
    x = 16,902.91

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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.