Home / 19,407.84-29,111.12-5,368.70

Finding the Fourth Proportional to 19,407.84, 29,111.12 and 5,368.70

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Solution

The fourth proportional to 19,407.84, 29,111.12 and 5,368.70 is: 8,052.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.84 : 29,111.12 = 5,368.70 : x
  2. Step 2: Convert to fraction form
    19,407.84/29,111.12 = 5,368.70/x
  3. Step 3: Cross multiply
    19,407.84x = 29,111.12 × 5,368.70
  4. Step 4: Simplify right side
    19,407.84x = 156,288,869.94
  5. Step 5: Solve for x
    x = 156,288,869.94/19,407.84
  6. Step 6: Final answer
    x = 8,052.87

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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.