Home / 14,213.23-21,319.89-4,977.07

Finding the Fourth Proportional to 14,213.23, 21,319.89 and 4,977.07

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Solution

The fourth proportional to 14,213.23, 21,319.89 and 4,977.07 is: 7,465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.23 : 21,319.89 = 4,977.07 : x
  2. Step 2: Convert to fraction form
    14,213.23/21,319.89 = 4,977.07/x
  3. Step 3: Cross multiply
    14,213.23x = 21,319.89 × 4,977.07
  4. Step 4: Simplify right side
    14,213.23x = 106,110,584.92
  5. Step 5: Solve for x
    x = 106,110,584.92/14,213.23
  6. Step 6: Final answer
    x = 7,465.62

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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.