Home / 16,879.47-23,289.36-11,492.16

Finding the Fourth Proportional to 16,879.47, 23,289.36 and 11,492.16

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Solution

The fourth proportional to 16,879.47, 23,289.36 and 11,492.16 is: 15,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.47 : 23,289.36 = 11,492.16 : x
  2. Step 2: Convert to fraction form
    16,879.47/23,289.36 = 11,492.16/x
  3. Step 3: Cross multiply
    16,879.47x = 23,289.36 × 11,492.16
  4. Step 4: Simplify right side
    16,879.47x = 267,645,051.42
  5. Step 5: Solve for x
    x = 267,645,051.42/16,879.47
  6. Step 6: Final answer
    x = 15,856.25

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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.