Home / 13,007.52-19,522.40-5,221.92

Finding the Fourth Proportional to 13,007.52, 19,522.40 and 5,221.92

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Solution

The fourth proportional to 13,007.52, 19,522.40 and 5,221.92 is: 7,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.52 : 19,522.40 = 5,221.92 : x
  2. Step 2: Convert to fraction form
    13,007.52/19,522.40 = 5,221.92/x
  3. Step 3: Cross multiply
    13,007.52x = 19,522.40 × 5,221.92
  4. Step 4: Simplify right side
    13,007.52x = 101,944,411.01
  5. Step 5: Solve for x
    x = 101,944,411.01/13,007.52
  6. Step 6: Final answer
    x = 7,837.34

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1.5x scale

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.