Home / 23,172.17-34,753.64-13,688.06

Finding the Fourth Proportional to 23,172.17, 34,753.64 and 13,688.06

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Solution

The fourth proportional to 23,172.17, 34,753.64 and 13,688.06 is: 20,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172.17 : 34,753.64 = 13,688.06 : x
  2. Step 2: Convert to fraction form
    23,172.17/34,753.64 = 13,688.06/x
  3. Step 3: Cross multiply
    23,172.17x = 34,753.64 × 13,688.06
  4. Step 4: Simplify right side
    23,172.17x = 475,709,667.33
  5. Step 5: Solve for x
    x = 475,709,667.33/23,172.17
  6. Step 6: Final answer
    x = 20,529.36

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1.5x scale

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.