Home / 19,155.08-26,425.14-11,197.64

Finding the Fourth Proportional to 19,155.08, 26,425.14 and 11,197.64

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Solution

The fourth proportional to 19,155.08, 26,425.14 and 11,197.64 is: 15,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.08 : 26,425.14 = 11,197.64 : x
  2. Step 2: Convert to fraction form
    19,155.08/26,425.14 = 11,197.64/x
  3. Step 3: Cross multiply
    19,155.08x = 26,425.14 × 11,197.64
  4. Step 4: Simplify right side
    19,155.08x = 295,899,204.67
  5. Step 5: Solve for x
    x = 295,899,204.67/19,155.08
  6. Step 6: Final answer
    x = 15,447.56

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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.