Home / 14,475.97-21,583.90-13,240.32

Finding the Fourth Proportional to 14,475.97, 21,583.90 and 13,240.32

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Solution

The fourth proportional to 14,475.97, 21,583.90 and 13,240.32 is: 19,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.97 : 21,583.90 = 13,240.32 : x
  2. Step 2: Convert to fraction form
    14,475.97/21,583.90 = 13,240.32/x
  3. Step 3: Cross multiply
    14,475.97x = 21,583.90 × 13,240.32
  4. Step 4: Simplify right side
    14,475.97x = 285,777,742.85
  5. Step 5: Solve for x
    x = 285,777,742.85/14,475.97
  6. Step 6: Final answer
    x = 19,741.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.