Home / 19,115.44-28,670.28-6,465.52

Finding the Fourth Proportional to 19,115.44, 28,670.28 and 6,465.52

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Solution

The fourth proportional to 19,115.44, 28,670.28 and 6,465.52 is: 9,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.44 : 28,670.28 = 6,465.52 : x
  2. Step 2: Convert to fraction form
    19,115.44/28,670.28 = 6,465.52/x
  3. Step 3: Cross multiply
    19,115.44x = 28,670.28 × 6,465.52
  4. Step 4: Simplify right side
    19,115.44x = 185,368,268.75
  5. Step 5: Solve for x
    x = 185,368,268.75/19,115.44
  6. Step 6: Final answer
    x = 9,697.31

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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.