Home / 25,539.99-38,315.38-8,011.59

Finding the Fourth Proportional to 25,539.99, 38,315.38 and 8,011.59

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Solution

The fourth proportional to 25,539.99, 38,315.38 and 8,011.59 is: 12,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,539.99 : 38,315.38 = 8,011.59 : x
  2. Step 2: Convert to fraction form
    25,539.99/38,315.38 = 8,011.59/x
  3. Step 3: Cross multiply
    25,539.99x = 38,315.38 × 8,011.59
  4. Step 4: Simplify right side
    25,539.99x = 306,967,115.25
  5. Step 5: Solve for x
    x = 306,967,115.25/25,539.99
  6. Step 6: Final answer
    x = 12,019.08

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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.