Home / 25,143.96-37,658.49-12,005.53

Finding the Fourth Proportional to 25,143.96, 37,658.49 and 12,005.53

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Solution

The fourth proportional to 25,143.96, 37,658.49 and 12,005.53 is: 17,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.96 : 37,658.49 = 12,005.53 : x
  2. Step 2: Convert to fraction form
    25,143.96/37,658.49 = 12,005.53/x
  3. Step 3: Cross multiply
    25,143.96x = 37,658.49 × 12,005.53
  4. Step 4: Simplify right side
    25,143.96x = 452,110,131.45
  5. Step 5: Solve for x
    x = 452,110,131.45/25,143.96
  6. Step 6: Final answer
    x = 17,980.86

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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.