Home / 28,382.04-39,119.22-19,414.08

Finding the Fourth Proportional to 28,382.04, 39,119.22 and 19,414.08

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Solution

The fourth proportional to 28,382.04, 39,119.22 and 19,414.08 is: 26,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,382.04 : 39,119.22 = 19,414.08 : x
  2. Step 2: Convert to fraction form
    28,382.04/39,119.22 = 19,414.08/x
  3. Step 3: Cross multiply
    28,382.04x = 39,119.22 × 19,414.08
  4. Step 4: Simplify right side
    28,382.04x = 759,463,666.62
  5. Step 5: Solve for x
    x = 759,463,666.62/28,382.04
  6. Step 6: Final answer
    x = 26,758.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.