Home / 25,353.78-34,955.42-17,381.76

Finding the Fourth Proportional to 25,353.78, 34,955.42 and 17,381.76

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Solution

The fourth proportional to 25,353.78, 34,955.42 and 17,381.76 is: 23,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,353.78 : 34,955.42 = 17,381.76 : x
  2. Step 2: Convert to fraction form
    25,353.78/34,955.42 = 17,381.76/x
  3. Step 3: Cross multiply
    25,353.78x = 34,955.42 × 17,381.76
  4. Step 4: Simplify right side
    25,353.78x = 607,586,634.23
  5. Step 5: Solve for x
    x = 607,586,634.23/25,353.78
  6. Step 6: Final answer
    x = 23,964.34

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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.