Home / 19,410.48-26,789.67-15,226.02

Finding the Fourth Proportional to 19,410.48, 26,789.67 and 15,226.02

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Solution

The fourth proportional to 19,410.48, 26,789.67 and 15,226.02 is: 21,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.48 : 26,789.67 = 15,226.02 : x
  2. Step 2: Convert to fraction form
    19,410.48/26,789.67 = 15,226.02/x
  3. Step 3: Cross multiply
    19,410.48x = 26,789.67 × 15,226.02
  4. Step 4: Simplify right side
    19,410.48x = 407,900,051.21
  5. Step 5: Solve for x
    x = 407,900,051.21/19,410.48
  6. Step 6: Final answer
    x = 21,014.42

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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.