Home / 16,742.64-25,097.96-5,643.60

Finding the Fourth Proportional to 16,742.64, 25,097.96 and 5,643.60

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Solution

The fourth proportional to 16,742.64, 25,097.96 and 5,643.60 is: 8,460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.64 : 25,097.96 = 5,643.60 : x
  2. Step 2: Convert to fraction form
    16,742.64/25,097.96 = 5,643.60/x
  3. Step 3: Cross multiply
    16,742.64x = 25,097.96 × 5,643.60
  4. Step 4: Simplify right side
    16,742.64x = 141,642,847.06
  5. Step 5: Solve for x
    x = 141,642,847.06/16,742.64
  6. Step 6: Final answer
    x = 8,460.01

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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.