Home / 19,172.63-26,458.22-10,789.31

Finding the Fourth Proportional to 19,172.63, 26,458.22 and 10,789.31

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Solution

The fourth proportional to 19,172.63, 26,458.22 and 10,789.31 is: 14,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.63 : 26,458.22 = 10,789.31 : x
  2. Step 2: Convert to fraction form
    19,172.63/26,458.22 = 10,789.31/x
  3. Step 3: Cross multiply
    19,172.63x = 26,458.22 × 10,789.31
  4. Step 4: Simplify right side
    19,172.63x = 285,465,832.31
  5. Step 5: Solve for x
    x = 285,465,832.31/19,172.63
  6. Step 6: Final answer
    x = 14,889.24

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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.