Home / 14,440.26-19,931.94-9,136.79

Finding the Fourth Proportional to 14,440.26, 19,931.94 and 9,136.79

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Solution

The fourth proportional to 14,440.26, 19,931.94 and 9,136.79 is: 12,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.26 : 19,931.94 = 9,136.79 : x
  2. Step 2: Convert to fraction form
    14,440.26/19,931.94 = 9,136.79/x
  3. Step 3: Cross multiply
    14,440.26x = 19,931.94 × 9,136.79
  4. Step 4: Simplify right side
    14,440.26x = 182,113,950.07
  5. Step 5: Solve for x
    x = 182,113,950.07/14,440.26
  6. Step 6: Final answer
    x = 12,611.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.