Home / 15,631.03-23,439.44-6,742.16

Finding the Fourth Proportional to 15,631.03, 23,439.44 and 6,742.16

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Solution

The fourth proportional to 15,631.03, 23,439.44 and 6,742.16 is: 10,110.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631.03 : 23,439.44 = 6,742.16 : x
  2. Step 2: Convert to fraction form
    15,631.03/23,439.44 = 6,742.16/x
  3. Step 3: Cross multiply
    15,631.03x = 23,439.44 × 6,742.16
  4. Step 4: Simplify right side
    15,631.03x = 158,032,354.45
  5. Step 5: Solve for x
    x = 158,032,354.45/15,631.03
  6. Step 6: Final answer
    x = 10,110.17

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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.