Home / 15,920.26-21,969.52-8,846.50

Finding the Fourth Proportional to 15,920.26, 21,969.52 and 8,846.50

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Solution

The fourth proportional to 15,920.26, 21,969.52 and 8,846.50 is: 12,207.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920.26 : 21,969.52 = 8,846.50 : x
  2. Step 2: Convert to fraction form
    15,920.26/21,969.52 = 8,846.50/x
  3. Step 3: Cross multiply
    15,920.26x = 21,969.52 × 8,846.50
  4. Step 4: Simplify right side
    15,920.26x = 194,353,204.60
  5. Step 5: Solve for x
    x = 194,353,204.60/15,920.26
  6. Step 6: Final answer
    x = 12,207.92

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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.