Home / 15,114.24-22,683.51-7,720.68

Finding the Fourth Proportional to 15,114.24, 22,683.51 and 7,720.68

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Solution

The fourth proportional to 15,114.24, 22,683.51 and 7,720.68 is: 11,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114.24 : 22,683.51 = 7,720.68 : x
  2. Step 2: Convert to fraction form
    15,114.24/22,683.51 = 7,720.68/x
  3. Step 3: Cross multiply
    15,114.24x = 22,683.51 × 7,720.68
  4. Step 4: Simplify right side
    15,114.24x = 175,132,121.99
  5. Step 5: Solve for x
    x = 175,132,121.99/15,114.24
  6. Step 6: Final answer
    x = 11,587.23

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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.