Home / 17,301.08-23,719.78-16,985.80

Finding the Fourth Proportional to 17,301.08, 23,719.78 and 16,985.80

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Solution

The fourth proportional to 17,301.08, 23,719.78 and 16,985.80 is: 23,287.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,301.08 : 23,719.78 = 16,985.80 : x
  2. Step 2: Convert to fraction form
    17,301.08/23,719.78 = 16,985.80/x
  3. Step 3: Cross multiply
    17,301.08x = 23,719.78 × 16,985.80
  4. Step 4: Simplify right side
    17,301.08x = 402,899,439.12
  5. Step 5: Solve for x
    x = 402,899,439.12/17,301.08
  6. Step 6: Final answer
    x = 23,287.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.