Home / 19,136.19-28,665.41-9,882.75

Finding the Fourth Proportional to 19,136.19, 28,665.41 and 9,882.75

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Solution

The fourth proportional to 19,136.19, 28,665.41 and 9,882.75 is: 14,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.19 : 28,665.41 = 9,882.75 : x
  2. Step 2: Convert to fraction form
    19,136.19/28,665.41 = 9,882.75/x
  3. Step 3: Cross multiply
    19,136.19x = 28,665.41 × 9,882.75
  4. Step 4: Simplify right side
    19,136.19x = 283,293,031.26
  5. Step 5: Solve for x
    x = 283,293,031.26/19,136.19
  6. Step 6: Final answer
    x = 14,804.05

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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.