Home / 18,646.46-25,731.38-10,683.02

Finding the Fourth Proportional to 18,646.46, 25,731.38 and 10,683.02

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Solution

The fourth proportional to 18,646.46, 25,731.38 and 10,683.02 is: 14,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.46 : 25,731.38 = 10,683.02 : x
  2. Step 2: Convert to fraction form
    18,646.46/25,731.38 = 10,683.02/x
  3. Step 3: Cross multiply
    18,646.46x = 25,731.38 × 10,683.02
  4. Step 4: Simplify right side
    18,646.46x = 274,888,847.17
  5. Step 5: Solve for x
    x = 274,888,847.17/18,646.46
  6. Step 6: Final answer
    x = 14,742.15

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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.