Home / 19,557.92-29,338.61-5,518.07

Finding the Fourth Proportional to 19,557.92, 29,338.61 and 5,518.07

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Solution

The fourth proportional to 19,557.92, 29,338.61 and 5,518.07 is: 8,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.92 : 29,338.61 = 5,518.07 : x
  2. Step 2: Convert to fraction form
    19,557.92/29,338.61 = 5,518.07/x
  3. Step 3: Cross multiply
    19,557.92x = 29,338.61 × 5,518.07
  4. Step 4: Simplify right side
    19,557.92x = 161,892,570.13
  5. Step 5: Solve for x
    x = 161,892,570.13/19,557.92
  6. Step 6: Final answer
    x = 8,277.60

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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.