Home / 19,327.77-28,991.39-5,476.77

Finding the Fourth Proportional to 19,327.77, 28,991.39 and 5,476.77

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Solution

The fourth proportional to 19,327.77, 28,991.39 and 5,476.77 is: 8,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.77 : 28,991.39 = 5,476.77 : x
  2. Step 2: Convert to fraction form
    19,327.77/28,991.39 = 5,476.77/x
  3. Step 3: Cross multiply
    19,327.77x = 28,991.39 × 5,476.77
  4. Step 4: Simplify right side
    19,327.77x = 158,779,147.63
  5. Step 5: Solve for x
    x = 158,779,147.63/19,327.77
  6. Step 6: Final answer
    x = 8,215.08

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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.