Home / 22,248.06-30,703.20-12,175.92

Finding the Fourth Proportional to 22,248.06, 30,703.20 and 12,175.92

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Solution

The fourth proportional to 22,248.06, 30,703.20 and 12,175.92 is: 16,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,248.06 : 30,703.20 = 12,175.92 : x
  2. Step 2: Convert to fraction form
    22,248.06/30,703.20 = 12,175.92/x
  3. Step 3: Cross multiply
    22,248.06x = 30,703.20 × 12,175.92
  4. Step 4: Simplify right side
    22,248.06x = 373,839,706.94
  5. Step 5: Solve for x
    x = 373,839,706.94/22,248.06
  6. Step 6: Final answer
    x = 16,803.25

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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.