Home / 16,431.53-24,649.35-6,434.99

Finding the Fourth Proportional to 16,431.53, 24,649.35 and 6,434.99

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Solution

The fourth proportional to 16,431.53, 24,649.35 and 6,434.99 is: 9,653.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.53 : 24,649.35 = 6,434.99 : x
  2. Step 2: Convert to fraction form
    16,431.53/24,649.35 = 6,434.99/x
  3. Step 3: Cross multiply
    16,431.53x = 24,649.35 × 6,434.99
  4. Step 4: Simplify right side
    16,431.53x = 158,618,197.51
  5. Step 5: Solve for x
    x = 158,618,197.51/16,431.53
  6. Step 6: Final answer
    x = 9,653.29

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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.