Home / 14,800.10-20,423.26-8,831.70

Finding the Fourth Proportional to 14,800.10, 20,423.26 and 8,831.70

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Solution

The fourth proportional to 14,800.10, 20,423.26 and 8,831.70 is: 12,187.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,800.10 : 20,423.26 = 8,831.70 : x
  2. Step 2: Convert to fraction form
    14,800.10/20,423.26 = 8,831.70/x
  3. Step 3: Cross multiply
    14,800.10x = 20,423.26 × 8,831.70
  4. Step 4: Simplify right side
    14,800.10x = 180,372,105.34
  5. Step 5: Solve for x
    x = 180,372,105.34/14,800.10
  6. Step 6: Final answer
    x = 12,187.22

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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.