Home / 17,643.45-26,465.18-13,750.77

Finding the Fourth Proportional to 17,643.45, 26,465.18 and 13,750.77

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Solution

The fourth proportional to 17,643.45, 26,465.18 and 13,750.77 is: 20,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.45 : 26,465.18 = 13,750.77 : x
  2. Step 2: Convert to fraction form
    17,643.45/26,465.18 = 13,750.77/x
  3. Step 3: Cross multiply
    17,643.45x = 26,465.18 × 13,750.77
  4. Step 4: Simplify right side
    17,643.45x = 363,916,534.43
  5. Step 5: Solve for x
    x = 363,916,534.43/17,643.45
  6. Step 6: Final answer
    x = 20,626.16

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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.