Home / 14,290.42-21,438.35-5,062.90

Finding the Fourth Proportional to 14,290.42, 21,438.35 and 5,062.90

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Solution

The fourth proportional to 14,290.42, 21,438.35 and 5,062.90 is: 7,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.42 : 21,438.35 = 5,062.90 : x
  2. Step 2: Convert to fraction form
    14,290.42/21,438.35 = 5,062.90/x
  3. Step 3: Cross multiply
    14,290.42x = 21,438.35 × 5,062.90
  4. Step 4: Simplify right side
    14,290.42x = 108,540,222.22
  5. Step 5: Solve for x
    x = 108,540,222.22/14,290.42
  6. Step 6: Final answer
    x = 7,595.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.