Home / 22,225.44-30,670.86-12,153.84

Finding the Fourth Proportional to 22,225.44, 30,670.86 and 12,153.84

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Solution

The fourth proportional to 22,225.44, 30,670.86 and 12,153.84 is: 16,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.44 : 30,670.86 = 12,153.84 : x
  2. Step 2: Convert to fraction form
    22,225.44/30,670.86 = 12,153.84/x
  3. Step 3: Cross multiply
    22,225.44x = 30,670.86 × 12,153.84
  4. Step 4: Simplify right side
    22,225.44x = 372,768,725.10
  5. Step 5: Solve for x
    x = 372,768,725.10/22,225.44
  6. Step 6: Final answer
    x = 16,772.16

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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.