Home / 15,648.02-21,596.04-8,934.60

Finding the Fourth Proportional to 15,648.02, 21,596.04 and 8,934.60

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Solution

The fourth proportional to 15,648.02, 21,596.04 and 8,934.60 is: 12,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.02 : 21,596.04 = 8,934.60 : x
  2. Step 2: Convert to fraction form
    15,648.02/21,596.04 = 8,934.60/x
  3. Step 3: Cross multiply
    15,648.02x = 21,596.04 × 8,934.60
  4. Step 4: Simplify right side
    15,648.02x = 192,951,978.98
  5. Step 5: Solve for x
    x = 192,951,978.98/15,648.02
  6. Step 6: Final answer
    x = 12,330.76

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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.