Home / 15,205.89-22,812.03-5,718.26

Finding the Fourth Proportional to 15,205.89, 22,812.03 and 5,718.26

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Solution

The fourth proportional to 15,205.89, 22,812.03 and 5,718.26 is: 8,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205.89 : 22,812.03 = 5,718.26 : x
  2. Step 2: Convert to fraction form
    15,205.89/22,812.03 = 5,718.26/x
  3. Step 3: Cross multiply
    15,205.89x = 22,812.03 × 5,718.26
  4. Step 4: Simplify right side
    15,205.89x = 130,445,118.67
  5. Step 5: Solve for x
    x = 130,445,118.67/15,205.89
  6. Step 6: Final answer
    x = 8,578.59

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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.