Home / 19,188.48-28,784.64-6,040.32

Finding the Fourth Proportional to 19,188.48, 28,784.64 and 6,040.32

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Solution

The fourth proportional to 19,188.48, 28,784.64 and 6,040.32 is: 9,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.48 : 28,784.64 = 6,040.32 : x
  2. Step 2: Convert to fraction form
    19,188.48/28,784.64 = 6,040.32/x
  3. Step 3: Cross multiply
    19,188.48x = 28,784.64 × 6,040.32
  4. Step 4: Simplify right side
    19,188.48x = 173,868,436.68
  5. Step 5: Solve for x
    x = 173,868,436.68/19,188.48
  6. Step 6: Final answer
    x = 9,061.08

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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.