Home / 19,964.82-27,547.64-13,674.90

Finding the Fourth Proportional to 19,964.82, 27,547.64 and 13,674.90

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Solution

The fourth proportional to 19,964.82, 27,547.64 and 13,674.90 is: 18,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.82 : 27,547.64 = 13,674.90 : x
  2. Step 2: Convert to fraction form
    19,964.82/27,547.64 = 13,674.90/x
  3. Step 3: Cross multiply
    19,964.82x = 27,547.64 × 13,674.90
  4. Step 4: Simplify right side
    19,964.82x = 376,711,222.24
  5. Step 5: Solve for x
    x = 376,711,222.24/19,964.82
  6. Step 6: Final answer
    x = 18,868.75

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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.