Home / 17,819.04-26,705.28-13,117.12

Finding the Fourth Proportional to 17,819.04, 26,705.28 and 13,117.12

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Solution

The fourth proportional to 17,819.04, 26,705.28 and 13,117.12 is: 19,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,819.04 : 26,705.28 = 13,117.12 : x
  2. Step 2: Convert to fraction form
    17,819.04/26,705.28 = 13,117.12/x
  3. Step 3: Cross multiply
    17,819.04x = 26,705.28 × 13,117.12
  4. Step 4: Simplify right side
    17,819.04x = 350,296,362.39
  5. Step 5: Solve for x
    x = 350,296,362.39/17,819.04
  6. Step 6: Final answer
    x = 19,658.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.