Home / 13,903.31-20,875.79-12,035.00

Finding the Fourth Proportional to 13,903.31, 20,875.79 and 12,035.00

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Solution

The fourth proportional to 13,903.31, 20,875.79 and 12,035.00 is: 18,070.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.31 : 20,875.79 = 12,035.00 : x
  2. Step 2: Convert to fraction form
    13,903.31/20,875.79 = 12,035.00/x
  3. Step 3: Cross multiply
    13,903.31x = 20,875.79 × 12,035.00
  4. Step 4: Simplify right side
    13,903.31x = 251,240,214.93
  5. Step 5: Solve for x
    x = 251,240,214.93/13,903.31
  6. Step 6: Final answer
    x = 18,070.53

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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.