Home / 19,411.73-26,804.99-18,415.27

Finding the Fourth Proportional to 19,411.73, 26,804.99 and 18,415.27

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Solution

The fourth proportional to 19,411.73, 26,804.99 and 18,415.27 is: 25,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.73 : 26,804.99 = 18,415.27 : x
  2. Step 2: Convert to fraction form
    19,411.73/26,804.99 = 18,415.27/x
  3. Step 3: Cross multiply
    19,411.73x = 26,804.99 × 18,415.27
  4. Step 4: Simplify right side
    19,411.73x = 493,621,128.20
  5. Step 5: Solve for x
    x = 493,621,128.20/19,411.73
  6. Step 6: Final answer
    x = 25,429.02

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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.