Home / 14,088.40-21,136.44-4,729.96

Finding the Fourth Proportional to 14,088.40, 21,136.44 and 4,729.96

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Solution

The fourth proportional to 14,088.40, 21,136.44 and 4,729.96 is: 7,096.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.40 : 21,136.44 = 4,729.96 : x
  2. Step 2: Convert to fraction form
    14,088.40/21,136.44 = 4,729.96/x
  3. Step 3: Cross multiply
    14,088.40x = 21,136.44 × 4,729.96
  4. Step 4: Simplify right side
    14,088.40x = 99,974,515.74
  5. Step 5: Solve for x
    x = 99,974,515.74/14,088.40
  6. Step 6: Final answer
    x = 7,096.23

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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.