Home / 22,125.32-30,532.34-12,189.32

Finding the Fourth Proportional to 22,125.32, 30,532.34 and 12,189.32

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Solution

The fourth proportional to 22,125.32, 30,532.34 and 12,189.32 is: 16,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125.32 : 30,532.34 = 12,189.32 : x
  2. Step 2: Convert to fraction form
    22,125.32/30,532.34 = 12,189.32/x
  3. Step 3: Cross multiply
    22,125.32x = 30,532.34 × 12,189.32
  4. Step 4: Simplify right side
    22,125.32x = 372,168,462.61
  5. Step 5: Solve for x
    x = 372,168,462.61/22,125.32
  6. Step 6: Final answer
    x = 16,820.93

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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.