Home / 15,145.99-22,722.57-4,757.74

Finding the Fourth Proportional to 15,145.99, 22,722.57 and 4,757.74

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Solution

The fourth proportional to 15,145.99, 22,722.57 and 4,757.74 is: 7,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.99 : 22,722.57 = 4,757.74 : x
  2. Step 2: Convert to fraction form
    15,145.99/22,722.57 = 4,757.74/x
  3. Step 3: Cross multiply
    15,145.99x = 22,722.57 × 4,757.74
  4. Step 4: Simplify right side
    15,145.99x = 108,108,080.19
  5. Step 5: Solve for x
    x = 108,108,080.19/15,145.99
  6. Step 6: Final answer
    x = 7,137.74

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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.