Home / 18,187.96-25,099.02-10,230.10

Finding the Fourth Proportional to 18,187.96, 25,099.02 and 10,230.10

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Solution

The fourth proportional to 18,187.96, 25,099.02 and 10,230.10 is: 14,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.96 : 25,099.02 = 10,230.10 : x
  2. Step 2: Convert to fraction form
    18,187.96/25,099.02 = 10,230.10/x
  3. Step 3: Cross multiply
    18,187.96x = 25,099.02 × 10,230.10
  4. Step 4: Simplify right side
    18,187.96x = 256,765,484.50
  5. Step 5: Solve for x
    x = 256,765,484.50/18,187.96
  6. Step 6: Final answer
    x = 14,117.33

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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.