Home / 21,925.89-30,248.03-17,223.84

Finding the Fourth Proportional to 21,925.89, 30,248.03 and 17,223.84

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Solution

The fourth proportional to 21,925.89, 30,248.03 and 17,223.84 is: 23,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,925.89 : 30,248.03 = 17,223.84 : x
  2. Step 2: Convert to fraction form
    21,925.89/30,248.03 = 17,223.84/x
  3. Step 3: Cross multiply
    21,925.89x = 30,248.03 × 17,223.84
  4. Step 4: Simplify right side
    21,925.89x = 520,987,272.09
  5. Step 5: Solve for x
    x = 520,987,272.09/21,925.89
  6. Step 6: Final answer
    x = 23,761.28

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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.