Home / 14,313.79-21,472.64-4,951.29

Finding the Fourth Proportional to 14,313.79, 21,472.64 and 4,951.29

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Solution

The fourth proportional to 14,313.79, 21,472.64 and 4,951.29 is: 7,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.79 : 21,472.64 = 4,951.29 : x
  2. Step 2: Convert to fraction form
    14,313.79/21,472.64 = 4,951.29/x
  3. Step 3: Cross multiply
    14,313.79x = 21,472.64 × 4,951.29
  4. Step 4: Simplify right side
    14,313.79x = 106,317,342.04
  5. Step 5: Solve for x
    x = 106,317,342.04/14,313.79
  6. Step 6: Final answer
    x = 7,427.62

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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.