Home / 13,125.99-19,667.07-9,223.41

Finding the Fourth Proportional to 13,125.99, 19,667.07 and 9,223.41

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Solution

The fourth proportional to 13,125.99, 19,667.07 and 9,223.41 is: 13,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.99 : 19,667.07 = 9,223.41 : x
  2. Step 2: Convert to fraction form
    13,125.99/19,667.07 = 9,223.41/x
  3. Step 3: Cross multiply
    13,125.99x = 19,667.07 × 9,223.41
  4. Step 4: Simplify right side
    13,125.99x = 181,397,450.11
  5. Step 5: Solve for x
    x = 181,397,450.11/13,125.99
  6. Step 6: Final answer
    x = 13,819.72

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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.