Home / 15,098.05-20,831.55-9,049.24

Finding the Fourth Proportional to 15,098.05, 20,831.55 and 9,049.24

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Solution

The fourth proportional to 15,098.05, 20,831.55 and 9,049.24 is: 12,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,098.05 : 20,831.55 = 9,049.24 : x
  2. Step 2: Convert to fraction form
    15,098.05/20,831.55 = 9,049.24/x
  3. Step 3: Cross multiply
    15,098.05x = 20,831.55 × 9,049.24
  4. Step 4: Simplify right side
    15,098.05x = 188,509,695.52
  5. Step 5: Solve for x
    x = 188,509,695.52/15,098.05
  6. Step 6: Final answer
    x = 12,485.70

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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.