Home / 25,789.58-38,685.93-7,068.86

Finding the Fourth Proportional to 25,789.58, 38,685.93 and 7,068.86

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Solution

The fourth proportional to 25,789.58, 38,685.93 and 7,068.86 is: 10,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.58 : 38,685.93 = 7,068.86 : x
  2. Step 2: Convert to fraction form
    25,789.58/38,685.93 = 7,068.86/x
  3. Step 3: Cross multiply
    25,789.58x = 38,685.93 × 7,068.86
  4. Step 4: Simplify right side
    25,789.58x = 273,465,229.71
  5. Step 5: Solve for x
    x = 273,465,229.71/25,789.58
  6. Step 6: Final answer
    x = 10,603.71

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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.