Home / 22,433.32-33,612.78-13,641.64

Finding the Fourth Proportional to 22,433.32, 33,612.78 and 13,641.64

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Solution

The fourth proportional to 22,433.32, 33,612.78 and 13,641.64 is: 20,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,433.32 : 33,612.78 = 13,641.64 : x
  2. Step 2: Convert to fraction form
    22,433.32/33,612.78 = 13,641.64/x
  3. Step 3: Cross multiply
    22,433.32x = 33,612.78 × 13,641.64
  4. Step 4: Simplify right side
    22,433.32x = 458,533,444.16
  5. Step 5: Solve for x
    x = 458,533,444.16/22,433.32
  6. Step 6: Final answer
    x = 20,439.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.