Home / 21,269.56-29,321.57-14,962.36

Finding the Fourth Proportional to 21,269.56, 29,321.57 and 14,962.36

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Solution

The fourth proportional to 21,269.56, 29,321.57 and 14,962.36 is: 20,626.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,269.56 : 29,321.57 = 14,962.36 : x
  2. Step 2: Convert to fraction form
    21,269.56/29,321.57 = 14,962.36/x
  3. Step 3: Cross multiply
    21,269.56x = 29,321.57 × 14,962.36
  4. Step 4: Simplify right side
    21,269.56x = 438,719,886.11
  5. Step 5: Solve for x
    x = 438,719,886.11/21,269.56
  6. Step 6: Final answer
    x = 20,626.66

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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.