Home / 19,087.59-26,366.12-15,911.27

Finding the Fourth Proportional to 19,087.59, 26,366.12 and 15,911.27

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Solution

The fourth proportional to 19,087.59, 26,366.12 and 15,911.27 is: 21,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.59 : 26,366.12 = 15,911.27 : x
  2. Step 2: Convert to fraction form
    19,087.59/26,366.12 = 15,911.27/x
  3. Step 3: Cross multiply
    19,087.59x = 26,366.12 × 15,911.27
  4. Step 4: Simplify right side
    19,087.59x = 419,518,454.17
  5. Step 5: Solve for x
    x = 419,518,454.17/19,087.59
  6. Step 6: Final answer
    x = 21,978.60

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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.