Home / 12,959.55-19,338.22-11,563.29

Finding the Fourth Proportional to 12,959.55, 19,338.22 and 11,563.29

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Solution

The fourth proportional to 12,959.55, 19,338.22 and 11,563.29 is: 17,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.55 : 19,338.22 = 11,563.29 : x
  2. Step 2: Convert to fraction form
    12,959.55/19,338.22 = 11,563.29/x
  3. Step 3: Cross multiply
    12,959.55x = 19,338.22 × 11,563.29
  4. Step 4: Simplify right side
    12,959.55x = 223,613,445.94
  5. Step 5: Solve for x
    x = 223,613,445.94/12,959.55
  6. Step 6: Final answer
    x = 17,254.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.