Home / 19,258.08-26,550.54-17,289.78

Finding the Fourth Proportional to 19,258.08, 26,550.54 and 17,289.78

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Solution

The fourth proportional to 19,258.08, 26,550.54 and 17,289.78 is: 23,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.08 : 26,550.54 = 17,289.78 : x
  2. Step 2: Convert to fraction form
    19,258.08/26,550.54 = 17,289.78/x
  3. Step 3: Cross multiply
    19,258.08x = 26,550.54 × 17,289.78
  4. Step 4: Simplify right side
    19,258.08x = 459,052,995.48
  5. Step 5: Solve for x
    x = 459,052,995.48/19,258.08
  6. Step 6: Final answer
    x = 23,836.90

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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.