Home / 21,606.63-29,841.97-14,424.04

Finding the Fourth Proportional to 21,606.63, 29,841.97 and 14,424.04

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Solution

The fourth proportional to 21,606.63, 29,841.97 and 14,424.04 is: 19,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.63 : 29,841.97 = 14,424.04 : x
  2. Step 2: Convert to fraction form
    21,606.63/29,841.97 = 14,424.04/x
  3. Step 3: Cross multiply
    21,606.63x = 29,841.97 × 14,424.04
  4. Step 4: Simplify right side
    21,606.63x = 430,441,619.75
  5. Step 5: Solve for x
    x = 430,441,619.75/21,606.63
  6. Step 6: Final answer
    x = 19,921.74

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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.