Home / 19,766.70-29,623.86-12,353.58

Finding the Fourth Proportional to 19,766.70, 29,623.86 and 12,353.58

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Solution

The fourth proportional to 19,766.70, 29,623.86 and 12,353.58 is: 18,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.70 : 29,623.86 = 12,353.58 : x
  2. Step 2: Convert to fraction form
    19,766.70/29,623.86 = 12,353.58/x
  3. Step 3: Cross multiply
    19,766.70x = 29,623.86 × 12,353.58
  4. Step 4: Simplify right side
    19,766.70x = 365,960,724.42
  5. Step 5: Solve for x
    x = 365,960,724.42/19,766.70
  6. Step 6: Final answer
    x = 18,514.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.