Home / 19,136.24-28,703.58-6,659.12

Finding the Fourth Proportional to 19,136.24, 28,703.58 and 6,659.12

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Solution

The fourth proportional to 19,136.24, 28,703.58 and 6,659.12 is: 9,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.24 : 28,703.58 = 6,659.12 : x
  2. Step 2: Convert to fraction form
    19,136.24/28,703.58 = 6,659.12/x
  3. Step 3: Cross multiply
    19,136.24x = 28,703.58 × 6,659.12
  4. Step 4: Simplify right side
    19,136.24x = 191,140,583.65
  5. Step 5: Solve for x
    x = 191,140,583.65/19,136.24
  6. Step 6: Final answer
    x = 9,988.41

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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.