Home / 19,848.78-27,390.08-10,896.22

Finding the Fourth Proportional to 19,848.78, 27,390.08 and 10,896.22

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Solution

The fourth proportional to 19,848.78, 27,390.08 and 10,896.22 is: 15,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.78 : 27,390.08 = 10,896.22 : x
  2. Step 2: Convert to fraction form
    19,848.78/27,390.08 = 10,896.22/x
  3. Step 3: Cross multiply
    19,848.78x = 27,390.08 × 10,896.22
  4. Step 4: Simplify right side
    19,848.78x = 298,448,353.01
  5. Step 5: Solve for x
    x = 298,448,353.01/19,848.78
  6. Step 6: Final answer
    x = 15,036.11

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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.