Home / 14,198.68-19,621.14-10,655.74

Finding the Fourth Proportional to 14,198.68, 19,621.14 and 10,655.74

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Solution

The fourth proportional to 14,198.68, 19,621.14 and 10,655.74 is: 14,725.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198.68 : 19,621.14 = 10,655.74 : x
  2. Step 2: Convert to fraction form
    14,198.68/19,621.14 = 10,655.74/x
  3. Step 3: Cross multiply
    14,198.68x = 19,621.14 × 10,655.74
  4. Step 4: Simplify right side
    14,198.68x = 209,077,766.34
  5. Step 5: Solve for x
    x = 209,077,766.34/14,198.68
  6. Step 6: Final answer
    x = 14,725.16

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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.