Home / 18,700.12-25,805.82-10,316.44

Finding the Fourth Proportional to 18,700.12, 25,805.82 and 10,316.44

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Solution

The fourth proportional to 18,700.12, 25,805.82 and 10,316.44 is: 14,236.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.12 : 25,805.82 = 10,316.44 : x
  2. Step 2: Convert to fraction form
    18,700.12/25,805.82 = 10,316.44/x
  3. Step 3: Cross multiply
    18,700.12x = 25,805.82 × 10,316.44
  4. Step 4: Simplify right side
    18,700.12x = 266,224,193.68
  5. Step 5: Solve for x
    x = 266,224,193.68/18,700.12
  6. Step 6: Final answer
    x = 14,236.50

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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.