Home / 19,886.24-27,443.04-10,933.90

Finding the Fourth Proportional to 19,886.24, 27,443.04 and 10,933.90

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Solution

The fourth proportional to 19,886.24, 27,443.04 and 10,933.90 is: 15,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.24 : 27,443.04 = 10,933.90 : x
  2. Step 2: Convert to fraction form
    19,886.24/27,443.04 = 10,933.90/x
  3. Step 3: Cross multiply
    19,886.24x = 27,443.04 × 10,933.90
  4. Step 4: Simplify right side
    19,886.24x = 300,059,455.06
  5. Step 5: Solve for x
    x = 300,059,455.06/19,886.24
  6. Step 6: Final answer
    x = 15,088.80

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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.