Home / 19,682.16-27,161.64-10,730.04

Finding the Fourth Proportional to 19,682.16, 27,161.64 and 10,730.04

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Solution

The fourth proportional to 19,682.16, 27,161.64 and 10,730.04 is: 14,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.16 : 27,161.64 = 10,730.04 : x
  2. Step 2: Convert to fraction form
    19,682.16/27,161.64 = 10,730.04/x
  3. Step 3: Cross multiply
    19,682.16x = 27,161.64 × 10,730.04
  4. Step 4: Simplify right side
    19,682.16x = 291,445,483.67
  5. Step 5: Solve for x
    x = 291,445,483.67/19,682.16
  6. Step 6: Final answer
    x = 14,807.60

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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.