Home / 28,593.26-39,470.27-18,530.34

Finding the Fourth Proportional to 28,593.26, 39,470.27 and 18,530.34

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Solution

The fourth proportional to 28,593.26, 39,470.27 and 18,530.34 is: 25,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,593.26 : 39,470.27 = 18,530.34 : x
  2. Step 2: Convert to fraction form
    28,593.26/39,470.27 = 18,530.34/x
  3. Step 3: Cross multiply
    28,593.26x = 39,470.27 × 18,530.34
  4. Step 4: Simplify right side
    28,593.26x = 731,397,522.99
  5. Step 5: Solve for x
    x = 731,397,522.99/28,593.26
  6. Step 6: Final answer
    x = 25,579.37

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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.