Home / 19,854.42-27,398.90-10,901.84

Finding the Fourth Proportional to 19,854.42, 27,398.90 and 10,901.84

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Solution

The fourth proportional to 19,854.42, 27,398.90 and 10,901.84 is: 15,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.42 : 27,398.90 = 10,901.84 : x
  2. Step 2: Convert to fraction form
    19,854.42/27,398.90 = 10,901.84/x
  3. Step 3: Cross multiply
    19,854.42x = 27,398.90 × 10,901.84
  4. Step 4: Simplify right side
    19,854.42x = 298,698,232.47
  5. Step 5: Solve for x
    x = 298,698,232.47/19,854.42
  6. Step 6: Final answer
    x = 15,044.42

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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.