Home / 19,720.46-29,570.70-6,568.22

Finding the Fourth Proportional to 19,720.46, 29,570.70 and 6,568.22

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Solution

The fourth proportional to 19,720.46, 29,570.70 and 6,568.22 is: 9,849.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.46 : 29,570.70 = 6,568.22 : x
  2. Step 2: Convert to fraction form
    19,720.46/29,570.70 = 6,568.22/x
  3. Step 3: Cross multiply
    19,720.46x = 29,570.70 × 6,568.22
  4. Step 4: Simplify right side
    19,720.46x = 194,226,863.15
  5. Step 5: Solve for x
    x = 194,226,863.15/19,720.46
  6. Step 6: Final answer
    x = 9,849.00

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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.