Home / 13,125.24-19,689.48-5,333.04

Finding the Fourth Proportional to 13,125.24, 19,689.48 and 5,333.04

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Solution

The fourth proportional to 13,125.24, 19,689.48 and 5,333.04 is: 8,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.24 : 19,689.48 = 5,333.04 : x
  2. Step 2: Convert to fraction form
    13,125.24/19,689.48 = 5,333.04/x
  3. Step 3: Cross multiply
    13,125.24x = 19,689.48 × 5,333.04
  4. Step 4: Simplify right side
    13,125.24x = 105,004,784.42
  5. Step 5: Solve for x
    x = 105,004,784.42/13,125.24
  6. Step 6: Final answer
    x = 8,000.22

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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.