Home / 22,307.60-30,785.08-12,236.48

Finding the Fourth Proportional to 22,307.60, 30,785.08 and 12,236.48

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Solution

The fourth proportional to 22,307.60, 30,785.08 and 12,236.48 is: 16,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,307.60 : 30,785.08 = 12,236.48 : x
  2. Step 2: Convert to fraction form
    22,307.60/30,785.08 = 12,236.48/x
  3. Step 3: Cross multiply
    22,307.60x = 30,785.08 × 12,236.48
  4. Step 4: Simplify right side
    22,307.60x = 376,701,015.72
  5. Step 5: Solve for x
    x = 376,701,015.72/22,307.60
  6. Step 6: Final answer
    x = 16,886.67

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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.