Home / 13,224.57-19,838.70-3,865.27

Finding the Fourth Proportional to 13,224.57, 19,838.70 and 3,865.27

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Solution

The fourth proportional to 13,224.57, 19,838.70 and 3,865.27 is: 5,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.57 : 19,838.70 = 3,865.27 : x
  2. Step 2: Convert to fraction form
    13,224.57/19,838.70 = 3,865.27/x
  3. Step 3: Cross multiply
    13,224.57x = 19,838.70 × 3,865.27
  4. Step 4: Simplify right side
    13,224.57x = 76,681,931.95
  5. Step 5: Solve for x
    x = 76,681,931.95/13,224.57
  6. Step 6: Final answer
    x = 5,798.44

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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.