Home / 13,800.66-19,043.96-7,832.45

Finding the Fourth Proportional to 13,800.66, 19,043.96 and 7,832.45

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Solution

The fourth proportional to 13,800.66, 19,043.96 and 7,832.45 is: 10,808.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.66 : 19,043.96 = 7,832.45 : x
  2. Step 2: Convert to fraction form
    13,800.66/19,043.96 = 7,832.45/x
  3. Step 3: Cross multiply
    13,800.66x = 19,043.96 × 7,832.45
  4. Step 4: Simplify right side
    13,800.66x = 149,160,730.12
  5. Step 5: Solve for x
    x = 149,160,730.12/13,800.66
  6. Step 6: Final answer
    x = 10,808.23

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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.