Home / 13,873.68-19,140.30-8,837.00

Finding the Fourth Proportional to 13,873.68, 19,140.30 and 8,837.00

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Solution

The fourth proportional to 13,873.68, 19,140.30 and 8,837.00 is: 12,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.68 : 19,140.30 = 8,837.00 : x
  2. Step 2: Convert to fraction form
    13,873.68/19,140.30 = 8,837.00/x
  3. Step 3: Cross multiply
    13,873.68x = 19,140.30 × 8,837.00
  4. Step 4: Simplify right side
    13,873.68x = 169,142,807.17
  5. Step 5: Solve for x
    x = 169,142,807.17/13,873.68
  6. Step 6: Final answer
    x = 12,191.63

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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.