Home / 23,165.18-31,968.03-12,554.79

Finding the Fourth Proportional to 23,165.18, 31,968.03 and 12,554.79

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Solution

The fourth proportional to 23,165.18, 31,968.03 and 12,554.79 is: 17,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.18 : 31,968.03 = 12,554.79 : x
  2. Step 2: Convert to fraction form
    23,165.18/31,968.03 = 12,554.79/x
  3. Step 3: Cross multiply
    23,165.18x = 31,968.03 × 12,554.79
  4. Step 4: Simplify right side
    23,165.18x = 401,351,903.36
  5. Step 5: Solve for x
    x = 401,351,903.36/23,165.18
  6. Step 6: Final answer
    x = 17,325.65

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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.