Home / 19,790.58-29,682.66-7,316.49

Finding the Fourth Proportional to 19,790.58, 29,682.66 and 7,316.49

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Solution

The fourth proportional to 19,790.58, 29,682.66 and 7,316.49 is: 10,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.58 : 29,682.66 = 7,316.49 : x
  2. Step 2: Convert to fraction form
    19,790.58/29,682.66 = 7,316.49/x
  3. Step 3: Cross multiply
    19,790.58x = 29,682.66 × 7,316.49
  4. Step 4: Simplify right side
    19,790.58x = 217,172,885.06
  5. Step 5: Solve for x
    x = 217,172,885.06/19,790.58
  6. Step 6: Final answer
    x = 10,973.55

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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.