Home / 19,886.45-27,443.57-10,933.88

Finding the Fourth Proportional to 19,886.45, 27,443.57 and 10,933.88

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Solution

The fourth proportional to 19,886.45, 27,443.57 and 10,933.88 is: 15,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.45 : 27,443.57 = 10,933.88 : x
  2. Step 2: Convert to fraction form
    19,886.45/27,443.57 = 10,933.88/x
  3. Step 3: Cross multiply
    19,886.45x = 27,443.57 × 10,933.88
  4. Step 4: Simplify right side
    19,886.45x = 300,064,509.26
  5. Step 5: Solve for x
    x = 300,064,509.26/19,886.45
  6. Step 6: Final answer
    x = 15,088.90

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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.