Home / 19,215.15-28,822.71-6,068.64

Finding the Fourth Proportional to 19,215.15, 28,822.71 and 6,068.64

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Solution

The fourth proportional to 19,215.15, 28,822.71 and 6,068.64 is: 9,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.15 : 28,822.71 = 6,068.64 : x
  2. Step 2: Convert to fraction form
    19,215.15/28,822.71 = 6,068.64/x
  3. Step 3: Cross multiply
    19,215.15x = 28,822.71 × 6,068.64
  4. Step 4: Simplify right side
    19,215.15x = 174,914,650.81
  5. Step 5: Solve for x
    x = 174,914,650.81/19,215.15
  6. Step 6: Final answer
    x = 9,102.96

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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.