Home / 19,886.36-27,443.36-10,933.93

Finding the Fourth Proportional to 19,886.36, 27,443.36 and 10,933.93

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Solution

The fourth proportional to 19,886.36, 27,443.36 and 10,933.93 is: 15,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.36 : 27,443.36 = 10,933.93 : x
  2. Step 2: Convert to fraction form
    19,886.36/27,443.36 = 10,933.93/x
  3. Step 3: Cross multiply
    19,886.36x = 27,443.36 × 10,933.93
  4. Step 4: Simplify right side
    19,886.36x = 300,063,777.20
  5. Step 5: Solve for x
    x = 300,063,777.20/19,886.36
  6. Step 6: Final answer
    x = 15,088.92

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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.