Home / 19,790.60-29,682.66-7,316.46

Finding the Fourth Proportional to 19,790.60, 29,682.66 and 7,316.46

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Solution

The fourth proportional to 19,790.60, 29,682.66 and 7,316.46 is: 10,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.60 : 29,682.66 = 7,316.46 : x
  2. Step 2: Convert to fraction form
    19,790.60/29,682.66 = 7,316.46/x
  3. Step 3: Cross multiply
    19,790.60x = 29,682.66 × 7,316.46
  4. Step 4: Simplify right side
    19,790.60x = 217,171,994.58
  5. Step 5: Solve for x
    x = 217,171,994.58/19,790.60
  6. Step 6: Final answer
    x = 10,973.49

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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.