Home / 19,077.93-28,632.69-9,724.86

Finding the Fourth Proportional to 19,077.93, 28,632.69 and 9,724.86

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Solution

The fourth proportional to 19,077.93, 28,632.69 and 9,724.86 is: 14,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.93 : 28,632.69 = 9,724.86 : x
  2. Step 2: Convert to fraction form
    19,077.93/28,632.69 = 9,724.86/x
  3. Step 3: Cross multiply
    19,077.93x = 28,632.69 × 9,724.86
  4. Step 4: Simplify right side
    19,077.93x = 278,448,901.67
  5. Step 5: Solve for x
    x = 278,448,901.67/19,077.93
  6. Step 6: Final answer
    x = 14,595.34

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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.