Home / 19,677.20-29,515.80-8,596.40

Finding the Fourth Proportional to 19,677.20, 29,515.80 and 8,596.40

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Solution

The fourth proportional to 19,677.20, 29,515.80 and 8,596.40 is: 12,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.20 : 29,515.80 = 8,596.40 : x
  2. Step 2: Convert to fraction form
    19,677.20/29,515.80 = 8,596.40/x
  3. Step 3: Cross multiply
    19,677.20x = 29,515.80 × 8,596.40
  4. Step 4: Simplify right side
    19,677.20x = 253,729,623.12
  5. Step 5: Solve for x
    x = 253,729,623.12/19,677.20
  6. Step 6: Final answer
    x = 12,894.60

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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.