Home / 14,328.44-21,515.13-12,136.01

Finding the Fourth Proportional to 14,328.44, 21,515.13 and 12,136.01

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Solution

The fourth proportional to 14,328.44, 21,515.13 and 12,136.01 is: 18,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.44 : 21,515.13 = 12,136.01 : x
  2. Step 2: Convert to fraction form
    14,328.44/21,515.13 = 12,136.01/x
  3. Step 3: Cross multiply
    14,328.44x = 21,515.13 × 12,136.01
  4. Step 4: Simplify right side
    14,328.44x = 261,107,832.83
  5. Step 5: Solve for x
    x = 261,107,832.83/14,328.44
  6. Step 6: Final answer
    x = 18,223.05

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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.