Home / 14,722.80-22,084.20-13,772.40

Finding the Fourth Proportional to 14,722.80, 22,084.20 and 13,772.40

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Solution

The fourth proportional to 14,722.80, 22,084.20 and 13,772.40 is: 20,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.80 : 22,084.20 = 13,772.40 : x
  2. Step 2: Convert to fraction form
    14,722.80/22,084.20 = 13,772.40/x
  3. Step 3: Cross multiply
    14,722.80x = 22,084.20 × 13,772.40
  4. Step 4: Simplify right side
    14,722.80x = 304,152,436.08
  5. Step 5: Solve for x
    x = 304,152,436.08/14,722.80
  6. Step 6: Final answer
    x = 20,658.60

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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.