Home / 18,700.36-25,805.38-10,316.84

Finding the Fourth Proportional to 18,700.36, 25,805.38 and 10,316.84

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Solution

The fourth proportional to 18,700.36, 25,805.38 and 10,316.84 is: 14,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.36 : 25,805.38 = 10,316.84 : x
  2. Step 2: Convert to fraction form
    18,700.36/25,805.38 = 10,316.84/x
  3. Step 3: Cross multiply
    18,700.36x = 25,805.38 × 10,316.84
  4. Step 4: Simplify right side
    18,700.36x = 266,229,976.60
  5. Step 5: Solve for x
    x = 266,229,976.60/18,700.36
  6. Step 6: Final answer
    x = 14,236.62

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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.