Home / 15,249.66-22,831.35-9,689.22

Finding the Fourth Proportional to 15,249.66, 22,831.35 and 9,689.22

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Solution

The fourth proportional to 15,249.66, 22,831.35 and 9,689.22 is: 14,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.66 : 22,831.35 = 9,689.22 : x
  2. Step 2: Convert to fraction form
    15,249.66/22,831.35 = 9,689.22/x
  3. Step 3: Cross multiply
    15,249.66x = 22,831.35 × 9,689.22
  4. Step 4: Simplify right side
    15,249.66x = 221,217,973.05
  5. Step 5: Solve for x
    x = 221,217,973.05/15,249.66
  6. Step 6: Final answer
    x = 14,506.42

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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.