Home / 16,762.68-25,152.30-7,878.69

Finding the Fourth Proportional to 16,762.68, 25,152.30 and 7,878.69

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Solution

The fourth proportional to 16,762.68, 25,152.30 and 7,878.69 is: 11,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,762.68 : 25,152.30 = 7,878.69 : x
  2. Step 2: Convert to fraction form
    16,762.68/25,152.30 = 7,878.69/x
  3. Step 3: Cross multiply
    16,762.68x = 25,152.30 × 7,878.69
  4. Step 4: Simplify right side
    16,762.68x = 198,167,174.49
  5. Step 5: Solve for x
    x = 198,167,174.49/16,762.68
  6. Step 6: Final answer
    x = 11,821.93

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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.