Home / 14,313.50-21,474.10-5,989.12

Finding the Fourth Proportional to 14,313.50, 21,474.10 and 5,989.12

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Solution

The fourth proportional to 14,313.50, 21,474.10 and 5,989.12 is: 8,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.50 : 21,474.10 = 5,989.12 : x
  2. Step 2: Convert to fraction form
    14,313.50/21,474.10 = 5,989.12/x
  3. Step 3: Cross multiply
    14,313.50x = 21,474.10 × 5,989.12
  4. Step 4: Simplify right side
    14,313.50x = 128,610,961.79
  5. Step 5: Solve for x
    x = 128,610,961.79/14,313.50
  6. Step 6: Final answer
    x = 8,985.29

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Double scale
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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.