Home / 19,518.46-29,282.36-6,370.86

Finding the Fourth Proportional to 19,518.46, 29,282.36 and 6,370.86

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Solution

The fourth proportional to 19,518.46, 29,282.36 and 6,370.86 is: 9,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.46 : 29,282.36 = 6,370.86 : x
  2. Step 2: Convert to fraction form
    19,518.46/29,282.36 = 6,370.86/x
  3. Step 3: Cross multiply
    19,518.46x = 29,282.36 × 6,370.86
  4. Step 4: Simplify right side
    19,518.46x = 186,553,637.76
  5. Step 5: Solve for x
    x = 186,553,637.76/19,518.46
  6. Step 6: Final answer
    x = 9,557.81

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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.