Home / 16,893.84-23,312.78-9,819.72

Finding the Fourth Proportional to 16,893.84, 23,312.78 and 9,819.72

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Solution

The fourth proportional to 16,893.84, 23,312.78 and 9,819.72 is: 13,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893.84 : 23,312.78 = 9,819.72 : x
  2. Step 2: Convert to fraction form
    16,893.84/23,312.78 = 9,819.72/x
  3. Step 3: Cross multiply
    16,893.84x = 23,312.78 × 9,819.72
  4. Step 4: Simplify right side
    16,893.84x = 228,924,972.02
  5. Step 5: Solve for x
    x = 228,924,972.02/16,893.84
  6. Step 6: Final answer
    x = 13,550.80

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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.