Home / 13,234.73-18,264.20-7,569.99

Finding the Fourth Proportional to 13,234.73, 18,264.20 and 7,569.99

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Solution

The fourth proportional to 13,234.73, 18,264.20 and 7,569.99 is: 10,446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.73 : 18,264.20 = 7,569.99 : x
  2. Step 2: Convert to fraction form
    13,234.73/18,264.20 = 7,569.99/x
  3. Step 3: Cross multiply
    13,234.73x = 18,264.20 × 7,569.99
  4. Step 4: Simplify right side
    13,234.73x = 138,259,773.51
  5. Step 5: Solve for x
    x = 138,259,773.51/13,234.73
  6. Step 6: Final answer
    x = 10,446.74

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1.5x scale

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.