Home / 19,023.69-28,528.44-6,540.18

Finding the Fourth Proportional to 19,023.69, 28,528.44 and 6,540.18

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Solution

The fourth proportional to 19,023.69, 28,528.44 and 6,540.18 is: 9,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023.69 : 28,528.44 = 6,540.18 : x
  2. Step 2: Convert to fraction form
    19,023.69/28,528.44 = 6,540.18/x
  3. Step 3: Cross multiply
    19,023.69x = 28,528.44 × 6,540.18
  4. Step 4: Simplify right side
    19,023.69x = 186,581,132.72
  5. Step 5: Solve for x
    x = 186,581,132.72/19,023.69
  6. Step 6: Final answer
    x = 9,807.83

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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.