Home / 13,293.14-18,338.87-9,750.20

Finding the Fourth Proportional to 13,293.14, 18,338.87 and 9,750.20

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Solution

The fourth proportional to 13,293.14, 18,338.87 and 9,750.20 is: 13,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.14 : 18,338.87 = 9,750.20 : x
  2. Step 2: Convert to fraction form
    13,293.14/18,338.87 = 9,750.20/x
  3. Step 3: Cross multiply
    13,293.14x = 18,338.87 × 9,750.20
  4. Step 4: Simplify right side
    13,293.14x = 178,807,582.96
  5. Step 5: Solve for x
    x = 178,807,582.96/13,293.14
  6. Step 6: Final answer
    x = 13,451.12

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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.