Home / 14,649.99-20,216.40-8,599.41

Finding the Fourth Proportional to 14,649.99, 20,216.40 and 8,599.41

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Solution

The fourth proportional to 14,649.99, 20,216.40 and 8,599.41 is: 11,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.99 : 20,216.40 = 8,599.41 : x
  2. Step 2: Convert to fraction form
    14,649.99/20,216.40 = 8,599.41/x
  3. Step 3: Cross multiply
    14,649.99x = 20,216.40 × 8,599.41
  4. Step 4: Simplify right side
    14,649.99x = 173,849,112.32
  5. Step 5: Solve for x
    x = 173,849,112.32/14,649.99
  6. Step 6: Final answer
    x = 11,866.84

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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.