Home / 19,664.15-27,137.03-10,712.13

Finding the Fourth Proportional to 19,664.15, 27,137.03 and 10,712.13

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Solution

The fourth proportional to 19,664.15, 27,137.03 and 10,712.13 is: 14,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.15 : 27,137.03 = 10,712.13 : x
  2. Step 2: Convert to fraction form
    19,664.15/27,137.03 = 10,712.13/x
  3. Step 3: Cross multiply
    19,664.15x = 27,137.03 × 10,712.13
  4. Step 4: Simplify right side
    19,664.15x = 290,695,339.61
  5. Step 5: Solve for x
    x = 290,695,339.61/19,664.15
  6. Step 6: Final answer
    x = 14,783.01

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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.