Home / 13,809.52-19,057.11-7,521.94

Finding the Fourth Proportional to 13,809.52, 19,057.11 and 7,521.94

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Solution

The fourth proportional to 13,809.52, 19,057.11 and 7,521.94 is: 10,380.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.52 : 19,057.11 = 7,521.94 : x
  2. Step 2: Convert to fraction form
    13,809.52/19,057.11 = 7,521.94/x
  3. Step 3: Cross multiply
    13,809.52x = 19,057.11 × 7,521.94
  4. Step 4: Simplify right side
    13,809.52x = 143,346,437.99
  5. Step 5: Solve for x
    x = 143,346,437.99/13,809.52
  6. Step 6: Final answer
    x = 10,380.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.