Home / 23,487.12-32,411.38-12,876.54

Finding the Fourth Proportional to 23,487.12, 32,411.38 and 12,876.54

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Solution

The fourth proportional to 23,487.12, 32,411.38 and 12,876.54 is: 17,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,487.12 : 32,411.38 = 12,876.54 : x
  2. Step 2: Convert to fraction form
    23,487.12/32,411.38 = 12,876.54/x
  3. Step 3: Cross multiply
    23,487.12x = 32,411.38 × 12,876.54
  4. Step 4: Simplify right side
    23,487.12x = 417,346,431.03
  5. Step 5: Solve for x
    x = 417,346,431.03/23,487.12
  6. Step 6: Final answer
    x = 17,769.16

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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.