Home / 19,960.90-27,547.89-11,464.14

Finding the Fourth Proportional to 19,960.90, 27,547.89 and 11,464.14

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Solution

The fourth proportional to 19,960.90, 27,547.89 and 11,464.14 is: 15,821.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.90 : 27,547.89 = 11,464.14 : x
  2. Step 2: Convert to fraction form
    19,960.90/27,547.89 = 11,464.14/x
  3. Step 3: Cross multiply
    19,960.90x = 27,547.89 × 11,464.14
  4. Step 4: Simplify right side
    19,960.90x = 315,812,867.66
  5. Step 5: Solve for x
    x = 315,812,867.66/19,960.90
  6. Step 6: Final answer
    x = 15,821.57

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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.