Home / 18,826.69-25,973.44-13,159.93

Finding the Fourth Proportional to 18,826.69, 25,973.44 and 13,159.93

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Solution

The fourth proportional to 18,826.69, 25,973.44 and 13,159.93 is: 18,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.69 : 25,973.44 = 13,159.93 : x
  2. Step 2: Convert to fraction form
    18,826.69/25,973.44 = 13,159.93/x
  3. Step 3: Cross multiply
    18,826.69x = 25,973.44 × 13,159.93
  4. Step 4: Simplify right side
    18,826.69x = 341,808,652.26
  5. Step 5: Solve for x
    x = 341,808,652.26/18,826.69
  6. Step 6: Final answer
    x = 18,155.54

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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.