Home / 25,428.26-38,114.69-21,719.24

Finding the Fourth Proportional to 25,428.26, 38,114.69 and 21,719.24

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Solution

The fourth proportional to 25,428.26, 38,114.69 and 21,719.24 is: 32,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428.26 : 38,114.69 = 21,719.24 : x
  2. Step 2: Convert to fraction form
    25,428.26/38,114.69 = 21,719.24/x
  3. Step 3: Cross multiply
    25,428.26x = 38,114.69 × 21,719.24
  4. Step 4: Simplify right side
    25,428.26x = 827,821,943.40
  5. Step 5: Solve for x
    x = 827,821,943.40/25,428.26
  6. Step 6: Final answer
    x = 32,555.19

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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.