Home / 14,699.83-20,286.13-7,985.46

Finding the Fourth Proportional to 14,699.83, 20,286.13 and 7,985.46

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Solution

The fourth proportional to 14,699.83, 20,286.13 and 7,985.46 is: 11,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,699.83 : 20,286.13 = 7,985.46 : x
  2. Step 2: Convert to fraction form
    14,699.83/20,286.13 = 7,985.46/x
  3. Step 3: Cross multiply
    14,699.83x = 20,286.13 × 7,985.46
  4. Step 4: Simplify right side
    14,699.83x = 161,993,978.24
  5. Step 5: Solve for x
    x = 161,993,978.24/14,699.83
  6. Step 6: Final answer
    x = 11,020.13

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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.