Home / 19,585.28-29,382.77-9,184.88

Finding the Fourth Proportional to 19,585.28, 29,382.77 and 9,184.88

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Solution

The fourth proportional to 19,585.28, 29,382.77 and 9,184.88 is: 13,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.28 : 29,382.77 = 9,184.88 : x
  2. Step 2: Convert to fraction form
    19,585.28/29,382.77 = 9,184.88/x
  3. Step 3: Cross multiply
    19,585.28x = 29,382.77 × 9,184.88
  4. Step 4: Simplify right side
    19,585.28x = 269,877,092.57
  5. Step 5: Solve for x
    x = 269,877,092.57/19,585.28
  6. Step 6: Final answer
    x = 13,779.59

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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.