Home / 19,338.40-26,684.56-12,265.12

Finding the Fourth Proportional to 19,338.40, 26,684.56 and 12,265.12

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Solution

The fourth proportional to 19,338.40, 26,684.56 and 12,265.12 is: 16,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.40 : 26,684.56 = 12,265.12 : x
  2. Step 2: Convert to fraction form
    19,338.40/26,684.56 = 12,265.12/x
  3. Step 3: Cross multiply
    19,338.40x = 26,684.56 × 12,265.12
  4. Step 4: Simplify right side
    19,338.40x = 327,289,330.55
  5. Step 5: Solve for x
    x = 327,289,330.55/19,338.40
  6. Step 6: Final answer
    x = 16,924.32

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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.