Home / 19,376.74-29,054.19-6,720.57

Finding the Fourth Proportional to 19,376.74, 29,054.19 and 6,720.57

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Solution

The fourth proportional to 19,376.74, 29,054.19 and 6,720.57 is: 10,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.74 : 29,054.19 = 6,720.57 : x
  2. Step 2: Convert to fraction form
    19,376.74/29,054.19 = 6,720.57/x
  3. Step 3: Cross multiply
    19,376.74x = 29,054.19 × 6,720.57
  4. Step 4: Simplify right side
    19,376.74x = 195,260,742.89
  5. Step 5: Solve for x
    x = 195,260,742.89/19,376.74
  6. Step 6: Final answer
    x = 10,077.07

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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.