Home / 19,719.56-29,572.86-6,568.40

Finding the Fourth Proportional to 19,719.56, 29,572.86 and 6,568.40

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Solution

The fourth proportional to 19,719.56, 29,572.86 and 6,568.40 is: 9,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.56 : 29,572.86 = 6,568.40 : x
  2. Step 2: Convert to fraction form
    19,719.56/29,572.86 = 6,568.40/x
  3. Step 3: Cross multiply
    19,719.56x = 29,572.86 × 6,568.40
  4. Step 4: Simplify right side
    19,719.56x = 194,246,373.62
  5. Step 5: Solve for x
    x = 194,246,373.62/19,719.56
  6. Step 6: Final answer
    x = 9,850.44

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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.