Home / 19,717.15-27,210.23-10,765.22

Finding the Fourth Proportional to 19,717.15, 27,210.23 and 10,765.22

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Solution

The fourth proportional to 19,717.15, 27,210.23 and 10,765.22 is: 14,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.15 : 27,210.23 = 10,765.22 : x
  2. Step 2: Convert to fraction form
    19,717.15/27,210.23 = 10,765.22/x
  3. Step 3: Cross multiply
    19,717.15x = 27,210.23 × 10,765.22
  4. Step 4: Simplify right side
    19,717.15x = 292,924,064.73
  5. Step 5: Solve for x
    x = 292,924,064.73/19,717.15
  6. Step 6: Final answer
    x = 14,856.31

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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.