Home / 19,099.35-28,642.16-6,616.01

Finding the Fourth Proportional to 19,099.35, 28,642.16 and 6,616.01

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Solution

The fourth proportional to 19,099.35, 28,642.16 and 6,616.01 is: 9,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.35 : 28,642.16 = 6,616.01 : x
  2. Step 2: Convert to fraction form
    19,099.35/28,642.16 = 6,616.01/x
  3. Step 3: Cross multiply
    19,099.35x = 28,642.16 × 6,616.01
  4. Step 4: Simplify right side
    19,099.35x = 189,496,905.13
  5. Step 5: Solve for x
    x = 189,496,905.13/19,099.35
  6. Step 6: Final answer
    x = 9,921.64

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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.