Home / 14,831.12-20,463.84-8,542.32

Finding the Fourth Proportional to 14,831.12, 20,463.84 and 8,542.32

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Solution

The fourth proportional to 14,831.12, 20,463.84 and 8,542.32 is: 11,786.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.12 : 20,463.84 = 8,542.32 : x
  2. Step 2: Convert to fraction form
    14,831.12/20,463.84 = 8,542.32/x
  3. Step 3: Cross multiply
    14,831.12x = 20,463.84 × 8,542.32
  4. Step 4: Simplify right side
    14,831.12x = 174,808,669.71
  5. Step 5: Solve for x
    x = 174,808,669.71/14,831.12
  6. Step 6: Final answer
    x = 11,786.61

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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.