Home / 15,238.99-22,842.90-5,240.74

Finding the Fourth Proportional to 15,238.99, 22,842.90 and 5,240.74

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Solution

The fourth proportional to 15,238.99, 22,842.90 and 5,240.74 is: 7,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.99 : 22,842.90 = 5,240.74 : x
  2. Step 2: Convert to fraction form
    15,238.99/22,842.90 = 5,240.74/x
  3. Step 3: Cross multiply
    15,238.99x = 22,842.90 × 5,240.74
  4. Step 4: Simplify right side
    15,238.99x = 119,713,559.33
  5. Step 5: Solve for x
    x = 119,713,559.33/15,238.99
  6. Step 6: Final answer
    x = 7,855.74

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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.