Home / 15,456.99-23,182.79-7,136.30

Finding the Fourth Proportional to 15,456.99, 23,182.79 and 7,136.30

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Solution

The fourth proportional to 15,456.99, 23,182.79 and 7,136.30 is: 10,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.99 : 23,182.79 = 7,136.30 : x
  2. Step 2: Convert to fraction form
    15,456.99/23,182.79 = 7,136.30/x
  3. Step 3: Cross multiply
    15,456.99x = 23,182.79 × 7,136.30
  4. Step 4: Simplify right side
    15,456.99x = 165,439,246.20
  5. Step 5: Solve for x
    x = 165,439,246.20/15,456.99
  6. Step 6: Final answer
    x = 10,703.20

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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.