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Finding the Fourth Proportional to 23,913.74, 35,854.37 and 13,390.99

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Solution

The fourth proportional to 23,913.74, 35,854.37 and 13,390.99 is: 20,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,913.74 : 35,854.37 = 13,390.99 : x
  2. Step 2: Convert to fraction form
    23,913.74/35,854.37 = 13,390.99/x
  3. Step 3: Cross multiply
    23,913.74x = 35,854.37 × 13,390.99
  4. Step 4: Simplify right side
    23,913.74x = 480,125,476.65
  5. Step 5: Solve for x
    x = 480,125,476.65/23,913.74
  6. Step 6: Final answer
    x = 20,077.39

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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.