Home / 16,458.04-22,657.24-15,704.80

Finding the Fourth Proportional to 16,458.04, 22,657.24 and 15,704.80

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Solution

The fourth proportional to 16,458.04, 22,657.24 and 15,704.80 is: 21,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,458.04 : 22,657.24 = 15,704.80 : x
  2. Step 2: Convert to fraction form
    16,458.04/22,657.24 = 15,704.80/x
  3. Step 3: Cross multiply
    16,458.04x = 22,657.24 × 15,704.80
  4. Step 4: Simplify right side
    16,458.04x = 355,827,422.75
  5. Step 5: Solve for x
    x = 355,827,422.75/16,458.04
  6. Step 6: Final answer
    x = 21,620.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.