Home / 19,130.96-28,696.40-5,983.32

Finding the Fourth Proportional to 19,130.96, 28,696.40 and 5,983.32

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Solution

The fourth proportional to 19,130.96, 28,696.40 and 5,983.32 is: 8,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.96 : 28,696.40 = 5,983.32 : x
  2. Step 2: Convert to fraction form
    19,130.96/28,696.40 = 5,983.32/x
  3. Step 3: Cross multiply
    19,130.96x = 28,696.40 × 5,983.32
  4. Step 4: Simplify right side
    19,130.96x = 171,699,744.05
  5. Step 5: Solve for x
    x = 171,699,744.05/19,130.96
  6. Step 6: Final answer
    x = 8,974.97

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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.