Home / 13,074.99-19,614.93-5,289.27

Finding the Fourth Proportional to 13,074.99, 19,614.93 and 5,289.27

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Solution

The fourth proportional to 13,074.99, 19,614.93 and 5,289.27 is: 7,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.99 : 19,614.93 = 5,289.27 : x
  2. Step 2: Convert to fraction form
    13,074.99/19,614.93 = 5,289.27/x
  3. Step 3: Cross multiply
    13,074.99x = 19,614.93 × 5,289.27
  4. Step 4: Simplify right side
    13,074.99x = 103,748,660.80
  5. Step 5: Solve for x
    x = 103,748,660.80/13,074.99
  6. Step 6: Final answer
    x = 7,934.89

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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.