Home / 19,853.66-27,397.87-10,901.09

Finding the Fourth Proportional to 19,853.66, 27,397.87 and 10,901.09

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Solution

The fourth proportional to 19,853.66, 27,397.87 and 10,901.09 is: 15,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.66 : 27,397.87 = 10,901.09 : x
  2. Step 2: Convert to fraction form
    19,853.66/27,397.87 = 10,901.09/x
  3. Step 3: Cross multiply
    19,853.66x = 27,397.87 × 10,901.09
  4. Step 4: Simplify right side
    19,853.66x = 298,666,585.18
  5. Step 5: Solve for x
    x = 298,666,585.18/19,853.66
  6. Step 6: Final answer
    x = 15,043.40

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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.