Home / 14,331.76-21,472.12-12,230.41

Finding the Fourth Proportional to 14,331.76, 21,472.12 and 12,230.41

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Solution

The fourth proportional to 14,331.76, 21,472.12 and 12,230.41 is: 18,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.76 : 21,472.12 = 12,230.41 : x
  2. Step 2: Convert to fraction form
    14,331.76/21,472.12 = 12,230.41/x
  3. Step 3: Cross multiply
    14,331.76x = 21,472.12 × 12,230.41
  4. Step 4: Simplify right side
    14,331.76x = 262,612,831.17
  5. Step 5: Solve for x
    x = 262,612,831.17/14,331.76
  6. Step 6: Final answer
    x = 18,323.84

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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.