Home / 21,061.41-29,020.44-14,335.17

Finding the Fourth Proportional to 21,061.41, 29,020.44 and 14,335.17

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Solution

The fourth proportional to 21,061.41, 29,020.44 and 14,335.17 is: 19,752.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061.41 : 29,020.44 = 14,335.17 : x
  2. Step 2: Convert to fraction form
    21,061.41/29,020.44 = 14,335.17/x
  3. Step 3: Cross multiply
    21,061.41x = 29,020.44 × 14,335.17
  4. Step 4: Simplify right side
    21,061.41x = 416,012,940.87
  5. Step 5: Solve for x
    x = 416,012,940.87/21,061.41
  6. Step 6: Final answer
    x = 19,752.38

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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.