Home / 14,900.47-20,562.76-8,186.17

Finding the Fourth Proportional to 14,900.47, 20,562.76 and 8,186.17

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Solution

The fourth proportional to 14,900.47, 20,562.76 and 8,186.17 is: 11,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.47 : 20,562.76 = 8,186.17 : x
  2. Step 2: Convert to fraction form
    14,900.47/20,562.76 = 8,186.17/x
  3. Step 3: Cross multiply
    14,900.47x = 20,562.76 × 8,186.17
  4. Step 4: Simplify right side
    14,900.47x = 168,330,249.03
  5. Step 5: Solve for x
    x = 168,330,249.03/14,900.47
  6. Step 6: Final answer
    x = 11,296.98

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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.