Home / 22,383.93-30,890.58-12,312.75

Finding the Fourth Proportional to 22,383.93, 30,890.58 and 12,312.75

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Solution

The fourth proportional to 22,383.93, 30,890.58 and 12,312.75 is: 16,992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,383.93 : 30,890.58 = 12,312.75 : x
  2. Step 2: Convert to fraction form
    22,383.93/30,890.58 = 12,312.75/x
  3. Step 3: Cross multiply
    22,383.93x = 30,890.58 × 12,312.75
  4. Step 4: Simplify right side
    22,383.93x = 380,347,988.90
  5. Step 5: Solve for x
    x = 380,347,988.90/22,383.93
  6. Step 6: Final answer
    x = 16,992.01

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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.