Home / 19,643.93-27,107.90-10,691.24

Finding the Fourth Proportional to 19,643.93, 27,107.90 and 10,691.24

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Solution

The fourth proportional to 19,643.93, 27,107.90 and 10,691.24 is: 14,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.93 : 27,107.90 = 10,691.24 : x
  2. Step 2: Convert to fraction form
    19,643.93/27,107.90 = 10,691.24/x
  3. Step 3: Cross multiply
    19,643.93x = 27,107.90 × 10,691.24
  4. Step 4: Simplify right side
    19,643.93x = 289,816,875.80
  5. Step 5: Solve for x
    x = 289,816,875.80/19,643.93
  6. Step 6: Final answer
    x = 14,753.51

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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.