Home / 21,076.35-29,084.67-14,015.58

Finding the Fourth Proportional to 21,076.35, 29,084.67 and 14,015.58

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Solution

The fourth proportional to 21,076.35, 29,084.67 and 14,015.58 is: 19,341.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,076.35 : 29,084.67 = 14,015.58 : x
  2. Step 2: Convert to fraction form
    21,076.35/29,084.67 = 14,015.58/x
  3. Step 3: Cross multiply
    21,076.35x = 29,084.67 × 14,015.58
  4. Step 4: Simplify right side
    21,076.35x = 407,638,519.16
  5. Step 5: Solve for x
    x = 407,638,519.16/21,076.35
  6. Step 6: Final answer
    x = 19,341.04

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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.