Home / 14,151.87-21,220.49-6,354.03

Finding the Fourth Proportional to 14,151.87, 21,220.49 and 6,354.03

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Solution

The fourth proportional to 14,151.87, 21,220.49 and 6,354.03 is: 9,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.87 : 21,220.49 = 6,354.03 : x
  2. Step 2: Convert to fraction form
    14,151.87/21,220.49 = 6,354.03/x
  3. Step 3: Cross multiply
    14,151.87x = 21,220.49 × 6,354.03
  4. Step 4: Simplify right side
    14,151.87x = 134,835,598.30
  5. Step 5: Solve for x
    x = 134,835,598.30/14,151.87
  6. Step 6: Final answer
    x = 9,527.76

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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.