Home / 32,872.92-45,363.72-18,533.40

Finding the Fourth Proportional to 32,872.92, 45,363.72 and 18,533.40

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Solution

The fourth proportional to 32,872.92, 45,363.72 and 18,533.40 is: 25,575.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,872.92 : 45,363.72 = 18,533.40 : x
  2. Step 2: Convert to fraction form
    32,872.92/45,363.72 = 18,533.40/x
  3. Step 3: Cross multiply
    32,872.92x = 45,363.72 × 18,533.40
  4. Step 4: Simplify right side
    32,872.92x = 840,743,968.25
  5. Step 5: Solve for x
    x = 840,743,968.25/32,872.92
  6. Step 6: Final answer
    x = 25,575.58

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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.