Home / 25,509.31-35,219.99-22,812.13

Finding the Fourth Proportional to 25,509.31, 35,219.99 and 22,812.13

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Solution

The fourth proportional to 25,509.31, 35,219.99 and 22,812.13 is: 31,496.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509.31 : 35,219.99 = 22,812.13 : x
  2. Step 2: Convert to fraction form
    25,509.31/35,219.99 = 22,812.13/x
  3. Step 3: Cross multiply
    25,509.31x = 35,219.99 × 22,812.13
  4. Step 4: Simplify right side
    25,509.31x = 803,442,990.48
  5. Step 5: Solve for x
    x = 803,442,990.48/25,509.31
  6. Step 6: Final answer
    x = 31,496.07

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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.