Home / 28,529.14-39,375.66-19,114.12

Finding the Fourth Proportional to 28,529.14, 39,375.66 and 19,114.12

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Solution

The fourth proportional to 28,529.14, 39,375.66 and 19,114.12 is: 26,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.14 : 39,375.66 = 19,114.12 : x
  2. Step 2: Convert to fraction form
    28,529.14/39,375.66 = 19,114.12/x
  3. Step 3: Cross multiply
    28,529.14x = 39,375.66 × 19,114.12
  4. Step 4: Simplify right side
    28,529.14x = 752,631,090.32
  5. Step 5: Solve for x
    x = 752,631,090.32/28,529.14
  6. Step 6: Final answer
    x = 26,381.13

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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.