Home / 19,961.64-27,547.24-11,009.45

Finding the Fourth Proportional to 19,961.64, 27,547.24 and 11,009.45

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Solution

The fourth proportional to 19,961.64, 27,547.24 and 11,009.45 is: 15,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.64 : 27,547.24 = 11,009.45 : x
  2. Step 2: Convert to fraction form
    19,961.64/27,547.24 = 11,009.45/x
  3. Step 3: Cross multiply
    19,961.64x = 27,547.24 × 11,009.45
  4. Step 4: Simplify right side
    19,961.64x = 303,279,961.42
  5. Step 5: Solve for x
    x = 303,279,961.42/19,961.64
  6. Step 6: Final answer
    x = 15,193.14

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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.