Home / 17,745.53-26,636.75-13,070.81

Finding the Fourth Proportional to 17,745.53, 26,636.75 and 13,070.81

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Solution

The fourth proportional to 17,745.53, 26,636.75 and 13,070.81 is: 19,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.53 : 26,636.75 = 13,070.81 : x
  2. Step 2: Convert to fraction form
    17,745.53/26,636.75 = 13,070.81/x
  3. Step 3: Cross multiply
    17,745.53x = 26,636.75 × 13,070.81
  4. Step 4: Simplify right side
    17,745.53x = 348,163,832.91
  5. Step 5: Solve for x
    x = 348,163,832.91/17,745.53
  6. Step 6: Final answer
    x = 19,619.81

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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.