Home / 18,331.48-25,299.08-10,774.03

Finding the Fourth Proportional to 18,331.48, 25,299.08 and 10,774.03

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Solution

The fourth proportional to 18,331.48, 25,299.08 and 10,774.03 is: 14,869.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.48 : 25,299.08 = 10,774.03 : x
  2. Step 2: Convert to fraction form
    18,331.48/25,299.08 = 10,774.03/x
  3. Step 3: Cross multiply
    18,331.48x = 25,299.08 × 10,774.03
  4. Step 4: Simplify right side
    18,331.48x = 272,573,078.22
  5. Step 5: Solve for x
    x = 272,573,078.22/18,331.48
  6. Step 6: Final answer
    x = 14,869.12

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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.