Home / 13,398.96-20,095.80-9,856.02

Finding the Fourth Proportional to 13,398.96, 20,095.80 and 9,856.02

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Solution

The fourth proportional to 13,398.96, 20,095.80 and 9,856.02 is: 14,782.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.96 : 20,095.80 = 9,856.02 : x
  2. Step 2: Convert to fraction form
    13,398.96/20,095.80 = 9,856.02/x
  3. Step 3: Cross multiply
    13,398.96x = 20,095.80 × 9,856.02
  4. Step 4: Simplify right side
    13,398.96x = 198,064,606.72
  5. Step 5: Solve for x
    x = 198,064,606.72/13,398.96
  6. Step 6: Final answer
    x = 14,782.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.