Home / 14,122.47-21,176.46-7,462.54

Finding the Fourth Proportional to 14,122.47, 21,176.46 and 7,462.54

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Solution

The fourth proportional to 14,122.47, 21,176.46 and 7,462.54 is: 11,189.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.47 : 21,176.46 = 7,462.54 : x
  2. Step 2: Convert to fraction form
    14,122.47/21,176.46 = 7,462.54/x
  3. Step 3: Cross multiply
    14,122.47x = 21,176.46 × 7,462.54
  4. Step 4: Simplify right side
    14,122.47x = 158,030,179.81
  5. Step 5: Solve for x
    x = 158,030,179.81/14,122.47
  6. Step 6: Final answer
    x = 11,189.98

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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.