Home / 19,764.29-29,646.59-6,617.69

Finding the Fourth Proportional to 19,764.29, 29,646.59 and 6,617.69

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Solution

The fourth proportional to 19,764.29, 29,646.59 and 6,617.69 is: 9,926.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.29 : 29,646.59 = 6,617.69 : x
  2. Step 2: Convert to fraction form
    19,764.29/29,646.59 = 6,617.69/x
  3. Step 3: Cross multiply
    19,764.29x = 29,646.59 × 6,617.69
  4. Step 4: Simplify right side
    19,764.29x = 196,191,942.18
  5. Step 5: Solve for x
    x = 196,191,942.18/19,764.29
  6. Step 6: Final answer
    x = 9,926.59

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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.