Home / 18,827.61-25,984.17-10,872.33

Finding the Fourth Proportional to 18,827.61, 25,984.17 and 10,872.33

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Solution

The fourth proportional to 18,827.61, 25,984.17 and 10,872.33 is: 15,005.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.61 : 25,984.17 = 10,872.33 : x
  2. Step 2: Convert to fraction form
    18,827.61/25,984.17 = 10,872.33/x
  3. Step 3: Cross multiply
    18,827.61x = 25,984.17 × 10,872.33
  4. Step 4: Simplify right side
    18,827.61x = 282,508,471.02
  5. Step 5: Solve for x
    x = 282,508,471.02/18,827.61
  6. Step 6: Final answer
    x = 15,005.01

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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.