Home / 19,864.13-27,412.02-10,911.60

Finding the Fourth Proportional to 19,864.13, 27,412.02 and 10,911.60

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Solution

The fourth proportional to 19,864.13, 27,412.02 and 10,911.60 is: 15,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.13 : 27,412.02 = 10,911.60 : x
  2. Step 2: Convert to fraction form
    19,864.13/27,412.02 = 10,911.60/x
  3. Step 3: Cross multiply
    19,864.13x = 27,412.02 × 10,911.60
  4. Step 4: Simplify right side
    19,864.13x = 299,108,997.43
  5. Step 5: Solve for x
    x = 299,108,997.43/19,864.13
  6. Step 6: Final answer
    x = 15,057.75

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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.