Home / 26,854.40-40,289.64-9,324.32

Finding the Fourth Proportional to 26,854.40, 40,289.64 and 9,324.32

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Solution

The fourth proportional to 26,854.40, 40,289.64 and 9,324.32 is: 13,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,854.40 : 40,289.64 = 9,324.32 : x
  2. Step 2: Convert to fraction form
    26,854.40/40,289.64 = 9,324.32/x
  3. Step 3: Cross multiply
    26,854.40x = 40,289.64 × 9,324.32
  4. Step 4: Simplify right side
    26,854.40x = 375,673,496.04
  5. Step 5: Solve for x
    x = 375,673,496.04/26,854.40
  6. Step 6: Final answer
    x = 13,989.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.