Home / 19,017.36-28,517.86-6,538.64

Finding the Fourth Proportional to 19,017.36, 28,517.86 and 6,538.64

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Solution

The fourth proportional to 19,017.36, 28,517.86 and 6,538.64 is: 9,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.36 : 28,517.86 = 6,538.64 : x
  2. Step 2: Convert to fraction form
    19,017.36/28,517.86 = 6,538.64/x
  3. Step 3: Cross multiply
    19,017.36x = 28,517.86 × 6,538.64
  4. Step 4: Simplify right side
    19,017.36x = 186,468,020.11
  5. Step 5: Solve for x
    x = 186,468,020.11/19,017.36
  6. Step 6: Final answer
    x = 9,805.15

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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.