Home / 23,184.32-31,992.96-13,749.44

Finding the Fourth Proportional to 23,184.32, 31,992.96 and 13,749.44

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Solution

The fourth proportional to 23,184.32, 31,992.96 and 13,749.44 is: 18,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,184.32 : 31,992.96 = 13,749.44 : x
  2. Step 2: Convert to fraction form
    23,184.32/31,992.96 = 13,749.44/x
  3. Step 3: Cross multiply
    23,184.32x = 31,992.96 × 13,749.44
  4. Step 4: Simplify right side
    23,184.32x = 439,885,283.94
  5. Step 5: Solve for x
    x = 439,885,283.94/23,184.32
  6. Step 6: Final answer
    x = 18,973.40

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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.