Home / 17,275.08-23,861.10-13,343.88

Finding the Fourth Proportional to 17,275.08, 23,861.10 and 13,343.88

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Solution

The fourth proportional to 17,275.08, 23,861.10 and 13,343.88 is: 18,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,275.08 : 23,861.10 = 13,343.88 : x
  2. Step 2: Convert to fraction form
    17,275.08/23,861.10 = 13,343.88/x
  3. Step 3: Cross multiply
    17,275.08x = 23,861.10 × 13,343.88
  4. Step 4: Simplify right side
    17,275.08x = 318,399,655.07
  5. Step 5: Solve for x
    x = 318,399,655.07/17,275.08
  6. Step 6: Final answer
    x = 18,431.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.