Home / 28,683.36-43,036.07-13,891.14

Finding the Fourth Proportional to 28,683.36, 43,036.07 and 13,891.14

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Solution

The fourth proportional to 28,683.36, 43,036.07 and 13,891.14 is: 20,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,683.36 : 43,036.07 = 13,891.14 : x
  2. Step 2: Convert to fraction form
    28,683.36/43,036.07 = 13,891.14/x
  3. Step 3: Cross multiply
    28,683.36x = 43,036.07 × 13,891.14
  4. Step 4: Simplify right side
    28,683.36x = 597,820,073.42
  5. Step 5: Solve for x
    x = 597,820,073.42/28,683.36
  6. Step 6: Final answer
    x = 20,842.05

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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.