Home / 19,853.93-27,398.85-10,902.01

Finding the Fourth Proportional to 19,853.93, 27,398.85 and 10,902.01

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Solution

The fourth proportional to 19,853.93, 27,398.85 and 10,902.01 is: 15,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.93 : 27,398.85 = 10,902.01 : x
  2. Step 2: Convert to fraction form
    19,853.93/27,398.85 = 10,902.01/x
  3. Step 3: Cross multiply
    19,853.93x = 27,398.85 × 10,902.01
  4. Step 4: Simplify right side
    19,853.93x = 298,702,468.19
  5. Step 5: Solve for x
    x = 298,702,468.19/19,853.93
  6. Step 6: Final answer
    x = 15,045.01

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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.