Home / 18,816.48-25,965.66-10,316.96

Finding the Fourth Proportional to 18,816.48, 25,965.66 and 10,316.96

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Solution

The fourth proportional to 18,816.48, 25,965.66 and 10,316.96 is: 14,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.48 : 25,965.66 = 10,316.96 : x
  2. Step 2: Convert to fraction form
    18,816.48/25,965.66 = 10,316.96/x
  3. Step 3: Cross multiply
    18,816.48x = 25,965.66 × 10,316.96
  4. Step 4: Simplify right side
    18,816.48x = 267,886,675.59
  5. Step 5: Solve for x
    x = 267,886,675.59/18,816.48
  6. Step 6: Final answer
    x = 14,236.81

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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.