Home / 16,891.94-23,312.91-9,818.36

Finding the Fourth Proportional to 16,891.94, 23,312.91 and 9,818.36

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Solution

The fourth proportional to 16,891.94, 23,312.91 and 9,818.36 is: 13,550.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.94 : 23,312.91 = 9,818.36 : x
  2. Step 2: Convert to fraction form
    16,891.94/23,312.91 = 9,818.36/x
  3. Step 3: Cross multiply
    16,891.94x = 23,312.91 × 9,818.36
  4. Step 4: Simplify right side
    16,891.94x = 228,894,552.22
  5. Step 5: Solve for x
    x = 228,894,552.22/16,891.94
  6. Step 6: Final answer
    x = 13,550.52

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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.