Home / 12,666.14-18,999.21-4,873.13

Finding the Fourth Proportional to 12,666.14, 18,999.21 and 4,873.13

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Solution

The fourth proportional to 12,666.14, 18,999.21 and 4,873.13 is: 7,309.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666.14 : 18,999.21 = 4,873.13 : x
  2. Step 2: Convert to fraction form
    12,666.14/18,999.21 = 4,873.13/x
  3. Step 3: Cross multiply
    12,666.14x = 18,999.21 × 4,873.13
  4. Step 4: Simplify right side
    12,666.14x = 92,585,525.23
  5. Step 5: Solve for x
    x = 92,585,525.23/12,666.14
  6. Step 6: Final answer
    x = 7,309.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.