Home / 16,290.36-24,423.58-5,190.66

Finding the Fourth Proportional to 16,290.36, 24,423.58 and 5,190.66

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Solution

The fourth proportional to 16,290.36, 24,423.58 and 5,190.66 is: 7,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290.36 : 24,423.58 = 5,190.66 : x
  2. Step 2: Convert to fraction form
    16,290.36/24,423.58 = 5,190.66/x
  3. Step 3: Cross multiply
    16,290.36x = 24,423.58 × 5,190.66
  4. Step 4: Simplify right side
    16,290.36x = 126,774,499.76
  5. Step 5: Solve for x
    x = 126,774,499.76/16,290.36
  6. Step 6: Final answer
    x = 7,782.18

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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.