Home / 19,886.81-27,444.51-10,935.00

Finding the Fourth Proportional to 19,886.81, 27,444.51 and 10,935.00

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Solution

The fourth proportional to 19,886.81, 27,444.51 and 10,935.00 is: 15,090.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.81 : 27,444.51 = 10,935.00 : x
  2. Step 2: Convert to fraction form
    19,886.81/27,444.51 = 10,935.00/x
  3. Step 3: Cross multiply
    19,886.81x = 27,444.51 × 10,935.00
  4. Step 4: Simplify right side
    19,886.81x = 300,105,524.95
  5. Step 5: Solve for x
    x = 300,105,524.95/19,886.81
  6. Step 6: Final answer
    x = 15,090.68

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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.