Home / 12,967.73-19,402.51-7,705.56

Finding the Fourth Proportional to 12,967.73, 19,402.51 and 7,705.56

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Solution

The fourth proportional to 12,967.73, 19,402.51 and 7,705.56 is: 11,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967.73 : 19,402.51 = 7,705.56 : x
  2. Step 2: Convert to fraction form
    12,967.73/19,402.51 = 7,705.56/x
  3. Step 3: Cross multiply
    12,967.73x = 19,402.51 × 7,705.56
  4. Step 4: Simplify right side
    12,967.73x = 149,507,204.96
  5. Step 5: Solve for x
    x = 149,507,204.96/12,967.73
  6. Step 6: Final answer
    x = 11,529.17

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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.