Home / 14,106.12-19,465.66-7,731.56

Finding the Fourth Proportional to 14,106.12, 19,465.66 and 7,731.56

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Solution

The fourth proportional to 14,106.12, 19,465.66 and 7,731.56 is: 10,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.12 : 19,465.66 = 7,731.56 : x
  2. Step 2: Convert to fraction form
    14,106.12/19,465.66 = 7,731.56/x
  3. Step 3: Cross multiply
    14,106.12x = 19,465.66 × 7,731.56
  4. Step 4: Simplify right side
    14,106.12x = 150,499,918.23
  5. Step 5: Solve for x
    x = 150,499,918.23/14,106.12
  6. Step 6: Final answer
    x = 10,669.12

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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.