Home / 14,435.68-21,649.98-5,549.20

Finding the Fourth Proportional to 14,435.68, 21,649.98 and 5,549.20

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Solution

The fourth proportional to 14,435.68, 21,649.98 and 5,549.20 is: 8,322.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.68 : 21,649.98 = 5,549.20 : x
  2. Step 2: Convert to fraction form
    14,435.68/21,649.98 = 5,549.20/x
  3. Step 3: Cross multiply
    14,435.68x = 21,649.98 × 5,549.20
  4. Step 4: Simplify right side
    14,435.68x = 120,140,069.02
  5. Step 5: Solve for x
    x = 120,140,069.02/14,435.68
  6. Step 6: Final answer
    x = 8,322.44

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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.