Home / 17,745.34-26,636.47-13,070.63

Finding the Fourth Proportional to 17,745.34, 26,636.47 and 13,070.63

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Solution

The fourth proportional to 17,745.34, 26,636.47 and 13,070.63 is: 19,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.34 : 26,636.47 = 13,070.63 : x
  2. Step 2: Convert to fraction form
    17,745.34/26,636.47 = 13,070.63/x
  3. Step 3: Cross multiply
    17,745.34x = 26,636.47 × 13,070.63
  4. Step 4: Simplify right side
    17,745.34x = 348,155,245.34
  5. Step 5: Solve for x
    x = 348,155,245.34/17,745.34
  6. Step 6: Final answer
    x = 19,619.54

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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.