Home / 16,892.15-23,312.57-9,819.95

Finding the Fourth Proportional to 16,892.15, 23,312.57 and 9,819.95

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Solution

The fourth proportional to 16,892.15, 23,312.57 and 9,819.95 is: 13,552.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,892.15 : 23,312.57 = 9,819.95 : x
  2. Step 2: Convert to fraction form
    16,892.15/23,312.57 = 9,819.95/x
  3. Step 3: Cross multiply
    16,892.15x = 23,312.57 × 9,819.95
  4. Step 4: Simplify right side
    16,892.15x = 228,928,106.11
  5. Step 5: Solve for x
    x = 228,928,106.11/16,892.15
  6. Step 6: Final answer
    x = 13,552.34

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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.