Home / 23,818.40-32,854.20-15,317.68

Finding the Fourth Proportional to 23,818.40, 32,854.20 and 15,317.68

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Solution

The fourth proportional to 23,818.40, 32,854.20 and 15,317.68 is: 21,128.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,818.40 : 32,854.20 = 15,317.68 : x
  2. Step 2: Convert to fraction form
    23,818.40/32,854.20 = 15,317.68/x
  3. Step 3: Cross multiply
    23,818.40x = 32,854.20 × 15,317.68
  4. Step 4: Simplify right side
    23,818.40x = 503,250,122.26
  5. Step 5: Solve for x
    x = 503,250,122.26/23,818.40
  6. Step 6: Final answer
    x = 21,128.63

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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.