Home / 15,638.96-21,580.39-9,592.51

Finding the Fourth Proportional to 15,638.96, 21,580.39 and 9,592.51

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Solution

The fourth proportional to 15,638.96, 21,580.39 and 9,592.51 is: 13,236.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.96 : 21,580.39 = 9,592.51 : x
  2. Step 2: Convert to fraction form
    15,638.96/21,580.39 = 9,592.51/x
  3. Step 3: Cross multiply
    15,638.96x = 21,580.39 × 9,592.51
  4. Step 4: Simplify right side
    15,638.96x = 207,010,106.88
  5. Step 5: Solve for x
    x = 207,010,106.88/15,638.96
  6. Step 6: Final answer
    x = 13,236.82

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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.