Home / 19,875.60-29,811.24-6,726.96

Finding the Fourth Proportional to 19,875.60, 29,811.24 and 6,726.96

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Solution

The fourth proportional to 19,875.60, 29,811.24 and 6,726.96 is: 10,089.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.60 : 29,811.24 = 6,726.96 : x
  2. Step 2: Convert to fraction form
    19,875.60/29,811.24 = 6,726.96/x
  3. Step 3: Cross multiply
    19,875.60x = 29,811.24 × 6,726.96
  4. Step 4: Simplify right side
    19,875.60x = 200,539,019.03
  5. Step 5: Solve for x
    x = 200,539,019.03/19,875.60
  6. Step 6: Final answer
    x = 10,089.71

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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.