Home / 25,236.84-34,840.82-15,167.72

Finding the Fourth Proportional to 25,236.84, 34,840.82 and 15,167.72

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Solution

The fourth proportional to 25,236.84, 34,840.82 and 15,167.72 is: 20,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,236.84 : 34,840.82 = 15,167.72 : x
  2. Step 2: Convert to fraction form
    25,236.84/34,840.82 = 15,167.72/x
  3. Step 3: Cross multiply
    25,236.84x = 34,840.82 × 15,167.72
  4. Step 4: Simplify right side
    25,236.84x = 528,455,802.33
  5. Step 5: Solve for x
    x = 528,455,802.33/25,236.84
  6. Step 6: Final answer
    x = 20,939.86

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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.