Home / 19,717.02-27,210.11-10,765.11

Finding the Fourth Proportional to 19,717.02, 27,210.11 and 10,765.11

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Solution

The fourth proportional to 19,717.02, 27,210.11 and 10,765.11 is: 14,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.02 : 27,210.11 = 10,765.11 : x
  2. Step 2: Convert to fraction form
    19,717.02/27,210.11 = 10,765.11/x
  3. Step 3: Cross multiply
    19,717.02x = 27,210.11 × 10,765.11
  4. Step 4: Simplify right side
    19,717.02x = 292,919,773.44
  5. Step 5: Solve for x
    x = 292,919,773.44/19,717.02
  6. Step 6: Final answer
    x = 14,856.19

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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.