Home / 15,420.67-23,021.46-14,873.92

Finding the Fourth Proportional to 15,420.67, 23,021.46 and 14,873.92

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Solution

The fourth proportional to 15,420.67, 23,021.46 and 14,873.92 is: 22,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420.67 : 23,021.46 = 14,873.92 : x
  2. Step 2: Convert to fraction form
    15,420.67/23,021.46 = 14,873.92/x
  3. Step 3: Cross multiply
    15,420.67x = 23,021.46 × 14,873.92
  4. Step 4: Simplify right side
    15,420.67x = 342,419,296.77
  5. Step 5: Solve for x
    x = 342,419,296.77/15,420.67
  6. Step 6: Final answer
    x = 22,205.22

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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.