Home / 16,820.84-23,212.65-9,266.99

Finding the Fourth Proportional to 16,820.84, 23,212.65 and 9,266.99

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Solution

The fourth proportional to 16,820.84, 23,212.65 and 9,266.99 is: 12,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.84 : 23,212.65 = 9,266.99 : x
  2. Step 2: Convert to fraction form
    16,820.84/23,212.65 = 9,266.99/x
  3. Step 3: Cross multiply
    16,820.84x = 23,212.65 × 9,266.99
  4. Step 4: Simplify right side
    16,820.84x = 215,111,516.55
  5. Step 5: Solve for x
    x = 215,111,516.55/16,820.84
  6. Step 6: Final answer
    x = 12,788.39

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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.