Home / 19,518.55-29,281.87-7,832.68

Finding the Fourth Proportional to 19,518.55, 29,281.87 and 7,832.68

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Solution

The fourth proportional to 19,518.55, 29,281.87 and 7,832.68 is: 11,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.55 : 29,281.87 = 7,832.68 : x
  2. Step 2: Convert to fraction form
    19,518.55/29,281.87 = 7,832.68/x
  3. Step 3: Cross multiply
    19,518.55x = 29,281.87 × 7,832.68
  4. Step 4: Simplify right side
    19,518.55x = 229,355,517.51
  5. Step 5: Solve for x
    x = 229,355,517.51/19,518.55
  6. Step 6: Final answer
    x = 11,750.64

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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.