Home / 17,620.13-26,429.69-6,526.58

Finding the Fourth Proportional to 17,620.13, 26,429.69 and 6,526.58

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Solution

The fourth proportional to 17,620.13, 26,429.69 and 6,526.58 is: 9,789.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.13 : 26,429.69 = 6,526.58 : x
  2. Step 2: Convert to fraction form
    17,620.13/26,429.69 = 6,526.58/x
  3. Step 3: Cross multiply
    17,620.13x = 26,429.69 × 6,526.58
  4. Step 4: Simplify right side
    17,620.13x = 172,495,370.33
  5. Step 5: Solve for x
    x = 172,495,370.33/17,620.13
  6. Step 6: Final answer
    x = 9,789.67

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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.