Home / 19,539.77-26,950-16,818.94

Finding the Fourth Proportional to 19,539.77, 26,950 and 16,818.94

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Solution

The fourth proportional to 19,539.77, 26,950 and 16,818.94 is: 23,197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.77 : 26,950 = 16,818.94 : x
  2. Step 2: Convert to fraction form
    19,539.77/26,950 = 16,818.94/x
  3. Step 3: Cross multiply
    19,539.77x = 26,950 × 16,818.94
  4. Step 4: Simplify right side
    19,539.77x = 453,270,298.25
  5. Step 5: Solve for x
    x = 453,270,298.25/19,539.77
  6. Step 6: Final answer
    x = 23,197.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.