Home / 14,474.40-21,701.10-9,782.80

Finding the Fourth Proportional to 14,474.40, 21,701.10 and 9,782.80

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Solution

The fourth proportional to 14,474.40, 21,701.10 and 9,782.80 is: 14,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.40 : 21,701.10 = 9,782.80 : x
  2. Step 2: Convert to fraction form
    14,474.40/21,701.10 = 9,782.80/x
  3. Step 3: Cross multiply
    14,474.40x = 21,701.10 × 9,782.80
  4. Step 4: Simplify right side
    14,474.40x = 212,297,521.08
  5. Step 5: Solve for x
    x = 212,297,521.08/14,474.40
  6. Step 6: Final answer
    x = 14,667.10

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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.