Home / 17,275.08-23,808.35-12,997.08

Finding the Fourth Proportional to 17,275.08, 23,808.35 and 12,997.08

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Solution

The fourth proportional to 17,275.08, 23,808.35 and 12,997.08 is: 17,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,275.08 : 23,808.35 = 12,997.08 : x
  2. Step 2: Convert to fraction form
    17,275.08/23,808.35 = 12,997.08/x
  3. Step 3: Cross multiply
    17,275.08x = 23,808.35 × 12,997.08
  4. Step 4: Simplify right side
    17,275.08x = 309,438,964.63
  5. Step 5: Solve for x
    x = 309,438,964.63/17,275.08
  6. Step 6: Final answer
    x = 17,912.45

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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.