Home / 19,864.40-27,411.24-10,911.44

Finding the Fourth Proportional to 19,864.40, 27,411.24 and 10,911.44

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Solution

The fourth proportional to 19,864.40, 27,411.24 and 10,911.44 is: 15,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.40 : 27,411.24 = 10,911.44 : x
  2. Step 2: Convert to fraction form
    19,864.40/27,411.24 = 10,911.44/x
  3. Step 3: Cross multiply
    19,864.40x = 27,411.24 × 10,911.44
  4. Step 4: Simplify right side
    19,864.40x = 299,096,100.59
  5. Step 5: Solve for x
    x = 299,096,100.59/19,864.40
  6. Step 6: Final answer
    x = 15,056.89

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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.