Home / 19,492.32-26,900.96-11,109.44

Finding the Fourth Proportional to 19,492.32, 26,900.96 and 11,109.44

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Solution

The fourth proportional to 19,492.32, 26,900.96 and 11,109.44 is: 15,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492.32 : 26,900.96 = 11,109.44 : x
  2. Step 2: Convert to fraction form
    19,492.32/26,900.96 = 11,109.44/x
  3. Step 3: Cross multiply
    19,492.32x = 26,900.96 × 11,109.44
  4. Step 4: Simplify right side
    19,492.32x = 298,854,601.06
  5. Step 5: Solve for x
    x = 298,854,601.06/19,492.32
  6. Step 6: Final answer
    x = 15,331.92

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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.