Home / 13,247.75-19,859.38-5,746.55

Finding the Fourth Proportional to 13,247.75, 19,859.38 and 5,746.55

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Solution

The fourth proportional to 13,247.75, 19,859.38 and 5,746.55 is: 8,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.75 : 19,859.38 = 5,746.55 : x
  2. Step 2: Convert to fraction form
    13,247.75/19,859.38 = 5,746.55/x
  3. Step 3: Cross multiply
    13,247.75x = 19,859.38 × 5,746.55
  4. Step 4: Simplify right side
    13,247.75x = 114,122,806.48
  5. Step 5: Solve for x
    x = 114,122,806.48/13,247.75
  6. Step 6: Final answer
    x = 8,614.50

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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.