Home / 19,068.15-28,599.17-5,213.91

Finding the Fourth Proportional to 19,068.15, 28,599.17 and 5,213.91

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Solution

The fourth proportional to 19,068.15, 28,599.17 and 5,213.91 is: 7,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.15 : 28,599.17 = 5,213.91 : x
  2. Step 2: Convert to fraction form
    19,068.15/28,599.17 = 5,213.91/x
  3. Step 3: Cross multiply
    19,068.15x = 28,599.17 × 5,213.91
  4. Step 4: Simplify right side
    19,068.15x = 149,113,472.39
  5. Step 5: Solve for x
    x = 149,113,472.39/19,068.15
  6. Step 6: Final answer
    x = 7,820.03

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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.