Home / 14,292.24-21,458.82-8,756.58

Finding the Fourth Proportional to 14,292.24, 21,458.82 and 8,756.58

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Solution

The fourth proportional to 14,292.24, 21,458.82 and 8,756.58 is: 13,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.24 : 21,458.82 = 8,756.58 : x
  2. Step 2: Convert to fraction form
    14,292.24/21,458.82 = 8,756.58/x
  3. Step 3: Cross multiply
    14,292.24x = 21,458.82 × 8,756.58
  4. Step 4: Simplify right side
    14,292.24x = 187,905,874.04
  5. Step 5: Solve for x
    x = 187,905,874.04/14,292.24
  6. Step 6: Final answer
    x = 13,147.41

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1.5x scale

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.