Home / 13,303.28-19,961.90-5,913.04

Finding the Fourth Proportional to 13,303.28, 19,961.90 and 5,913.04

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Solution

The fourth proportional to 13,303.28, 19,961.90 and 5,913.04 is: 8,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.28 : 19,961.90 = 5,913.04 : x
  2. Step 2: Convert to fraction form
    13,303.28/19,961.90 = 5,913.04/x
  3. Step 3: Cross multiply
    13,303.28x = 19,961.90 × 5,913.04
  4. Step 4: Simplify right side
    13,303.28x = 118,035,513.18
  5. Step 5: Solve for x
    x = 118,035,513.18/13,303.28
  6. Step 6: Final answer
    x = 8,872.66

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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.