Home / 14,566.75-20,102.12-7,942.75

Finding the Fourth Proportional to 14,566.75, 20,102.12 and 7,942.75

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Solution

The fourth proportional to 14,566.75, 20,102.12 and 7,942.75 is: 10,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,566.75 : 20,102.12 = 7,942.75 : x
  2. Step 2: Convert to fraction form
    14,566.75/20,102.12 = 7,942.75/x
  3. Step 3: Cross multiply
    14,566.75x = 20,102.12 × 7,942.75
  4. Step 4: Simplify right side
    14,566.75x = 159,666,113.63
  5. Step 5: Solve for x
    x = 159,666,113.63/14,566.75
  6. Step 6: Final answer
    x = 10,961.00

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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.