Home / 25,721.07-35,475.06-17,220.49

Finding the Fourth Proportional to 25,721.07, 35,475.06 and 17,220.49

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Solution

The fourth proportional to 25,721.07, 35,475.06 and 17,220.49 is: 23,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,721.07 : 35,475.06 = 17,220.49 : x
  2. Step 2: Convert to fraction form
    25,721.07/35,475.06 = 17,220.49/x
  3. Step 3: Cross multiply
    25,721.07x = 35,475.06 × 17,220.49
  4. Step 4: Simplify right side
    25,721.07x = 610,897,915.98
  5. Step 5: Solve for x
    x = 610,897,915.98/25,721.07
  6. Step 6: Final answer
    x = 23,750.87

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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.