Home / 18,118.72-24,999.08-10,460.12

Finding the Fourth Proportional to 18,118.72, 24,999.08 and 10,460.12

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Solution

The fourth proportional to 18,118.72, 24,999.08 and 10,460.12 is: 14,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.72 : 24,999.08 = 10,460.12 : x
  2. Step 2: Convert to fraction form
    18,118.72/24,999.08 = 10,460.12/x
  3. Step 3: Cross multiply
    18,118.72x = 24,999.08 × 10,460.12
  4. Step 4: Simplify right side
    18,118.72x = 261,493,376.69
  5. Step 5: Solve for x
    x = 261,493,376.69/18,118.72
  6. Step 6: Final answer
    x = 14,432.22

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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.