Home / 19,207.36-26,488.58-13,166.38

Finding the Fourth Proportional to 19,207.36, 26,488.58 and 13,166.38

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Solution

The fourth proportional to 19,207.36, 26,488.58 and 13,166.38 is: 18,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207.36 : 26,488.58 = 13,166.38 : x
  2. Step 2: Convert to fraction form
    19,207.36/26,488.58 = 13,166.38/x
  3. Step 3: Cross multiply
    19,207.36x = 26,488.58 × 13,166.38
  4. Step 4: Simplify right side
    19,207.36x = 348,758,709.94
  5. Step 5: Solve for x
    x = 348,758,709.94/19,207.36
  6. Step 6: Final answer
    x = 18,157.56

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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.