Home / 22,338.64-30,831.52-14,785.36

Finding the Fourth Proportional to 22,338.64, 30,831.52 and 14,785.36

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Solution

The fourth proportional to 22,338.64, 30,831.52 and 14,785.36 is: 20,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,338.64 : 30,831.52 = 14,785.36 : x
  2. Step 2: Convert to fraction form
    22,338.64/30,831.52 = 14,785.36/x
  3. Step 3: Cross multiply
    22,338.64x = 30,831.52 × 14,785.36
  4. Step 4: Simplify right side
    22,338.64x = 455,855,122.55
  5. Step 5: Solve for x
    x = 455,855,122.55/22,338.64
  6. Step 6: Final answer
    x = 20,406.57

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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.