Home / 16,909.58-25,367.10-5,220.06

Finding the Fourth Proportional to 16,909.58, 25,367.10 and 5,220.06

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Solution

The fourth proportional to 16,909.58, 25,367.10 and 5,220.06 is: 7,830.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.58 : 25,367.10 = 5,220.06 : x
  2. Step 2: Convert to fraction form
    16,909.58/25,367.10 = 5,220.06/x
  3. Step 3: Cross multiply
    16,909.58x = 25,367.10 × 5,220.06
  4. Step 4: Simplify right side
    16,909.58x = 132,417,784.03
  5. Step 5: Solve for x
    x = 132,417,784.03/16,909.58
  6. Step 6: Final answer
    x = 7,830.93

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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.