Home / 19,369.13-29,053.76-5,518.13

Finding the Fourth Proportional to 19,369.13, 29,053.76 and 5,518.13

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Solution

The fourth proportional to 19,369.13, 29,053.76 and 5,518.13 is: 8,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.13 : 29,053.76 = 5,518.13 : x
  2. Step 2: Convert to fraction form
    19,369.13/29,053.76 = 5,518.13/x
  3. Step 3: Cross multiply
    19,369.13x = 29,053.76 × 5,518.13
  4. Step 4: Simplify right side
    19,369.13x = 160,322,251.81
  5. Step 5: Solve for x
    x = 160,322,251.81/19,369.13
  6. Step 6: Final answer
    x = 8,277.21

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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.