Home / 25,072.79-34,600.31-13,742.76

Finding the Fourth Proportional to 25,072.79, 34,600.31 and 13,742.76

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Solution

The fourth proportional to 25,072.79, 34,600.31 and 13,742.76 is: 18,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,072.79 : 34,600.31 = 13,742.76 : x
  2. Step 2: Convert to fraction form
    25,072.79/34,600.31 = 13,742.76/x
  3. Step 3: Cross multiply
    25,072.79x = 34,600.31 × 13,742.76
  4. Step 4: Simplify right side
    25,072.79x = 475,503,946.13
  5. Step 5: Solve for x
    x = 475,503,946.13/25,072.79
  6. Step 6: Final answer
    x = 18,964.94

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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.