Home / 13,735.32-18,948.19-7,992.77

Finding the Fourth Proportional to 13,735.32, 18,948.19 and 7,992.77

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Solution

The fourth proportional to 13,735.32, 18,948.19 and 7,992.77 is: 11,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.32 : 18,948.19 = 7,992.77 : x
  2. Step 2: Convert to fraction form
    13,735.32/18,948.19 = 7,992.77/x
  3. Step 3: Cross multiply
    13,735.32x = 18,948.19 × 7,992.77
  4. Step 4: Simplify right side
    13,735.32x = 151,448,508.95
  5. Step 5: Solve for x
    x = 151,448,508.95/13,735.32
  6. Step 6: Final answer
    x = 11,026.21

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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.