Home / 25,721.96-38,564.28-17,381.12

Finding the Fourth Proportional to 25,721.96, 38,564.28 and 17,381.12

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Solution

The fourth proportional to 25,721.96, 38,564.28 and 17,381.12 is: 26,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,721.96 : 38,564.28 = 17,381.12 : x
  2. Step 2: Convert to fraction form
    25,721.96/38,564.28 = 17,381.12/x
  3. Step 3: Cross multiply
    25,721.96x = 38,564.28 × 17,381.12
  4. Step 4: Simplify right side
    25,721.96x = 670,290,378.39
  5. Step 5: Solve for x
    x = 670,290,378.39/25,721.96
  6. Step 6: Final answer
    x = 26,059.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.