Home / 23,929.32-33,021.90-13,318.74

Finding the Fourth Proportional to 23,929.32, 33,021.90 and 13,318.74

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Solution

The fourth proportional to 23,929.32, 33,021.90 and 13,318.74 is: 18,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,929.32 : 33,021.90 = 13,318.74 : x
  2. Step 2: Convert to fraction form
    23,929.32/33,021.90 = 13,318.74/x
  3. Step 3: Cross multiply
    23,929.32x = 33,021.90 × 13,318.74
  4. Step 4: Simplify right side
    23,929.32x = 439,810,100.41
  5. Step 5: Solve for x
    x = 439,810,100.41/23,929.32
  6. Step 6: Final answer
    x = 18,379.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.