Home / 25,188.93-37,785.50-7,658.91

Finding the Fourth Proportional to 25,188.93, 37,785.50 and 7,658.91

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Solution

The fourth proportional to 25,188.93, 37,785.50 and 7,658.91 is: 11,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.93 : 37,785.50 = 7,658.91 : x
  2. Step 2: Convert to fraction form
    25,188.93/37,785.50 = 7,658.91/x
  3. Step 3: Cross multiply
    25,188.93x = 37,785.50 × 7,658.91
  4. Step 4: Simplify right side
    25,188.93x = 289,395,743.81
  5. Step 5: Solve for x
    x = 289,395,743.81/25,188.93
  6. Step 6: Final answer
    x = 11,489.01

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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.