Home / 15,758.96-23,638.34-9,091.12

Finding the Fourth Proportional to 15,758.96, 23,638.34 and 9,091.12

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Solution

The fourth proportional to 15,758.96, 23,638.34 and 9,091.12 is: 13,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758.96 : 23,638.34 = 9,091.12 : x
  2. Step 2: Convert to fraction form
    15,758.96/23,638.34 = 9,091.12/x
  3. Step 3: Cross multiply
    15,758.96x = 23,638.34 × 9,091.12
  4. Step 4: Simplify right side
    15,758.96x = 214,898,985.54
  5. Step 5: Solve for x
    x = 214,898,985.54/15,758.96
  6. Step 6: Final answer
    x = 13,636.62

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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.