Home / 19,730.68-29,585.80-7,247.48

Finding the Fourth Proportional to 19,730.68, 29,585.80 and 7,247.48

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Solution

The fourth proportional to 19,730.68, 29,585.80 and 7,247.48 is: 10,867.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.68 : 29,585.80 = 7,247.48 : x
  2. Step 2: Convert to fraction form
    19,730.68/29,585.80 = 7,247.48/x
  3. Step 3: Cross multiply
    19,730.68x = 29,585.80 × 7,247.48
  4. Step 4: Simplify right side
    19,730.68x = 214,422,493.78
  5. Step 5: Solve for x
    x = 214,422,493.78/19,730.68
  6. Step 6: Final answer
    x = 10,867.47

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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.