Home / 17,457.93-26,187.30-4,979.07

Finding the Fourth Proportional to 17,457.93, 26,187.30 and 4,979.07

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Solution

The fourth proportional to 17,457.93, 26,187.30 and 4,979.07 is: 7,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,457.93 : 26,187.30 = 4,979.07 : x
  2. Step 2: Convert to fraction form
    17,457.93/26,187.30 = 4,979.07/x
  3. Step 3: Cross multiply
    17,457.93x = 26,187.30 × 4,979.07
  4. Step 4: Simplify right side
    17,457.93x = 130,388,399.81
  5. Step 5: Solve for x
    x = 130,388,399.81/17,457.93
  6. Step 6: Final answer
    x = 7,468.72

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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.