Home / 14,211.21-21,274.29-10,253.55

Finding the Fourth Proportional to 14,211.21, 21,274.29 and 10,253.55

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Solution

The fourth proportional to 14,211.21, 21,274.29 and 10,253.55 is: 15,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.21 : 21,274.29 = 10,253.55 : x
  2. Step 2: Convert to fraction form
    14,211.21/21,274.29 = 10,253.55/x
  3. Step 3: Cross multiply
    14,211.21x = 21,274.29 × 10,253.55
  4. Step 4: Simplify right side
    14,211.21x = 218,136,996.23
  5. Step 5: Solve for x
    x = 218,136,996.23/14,211.21
  6. Step 6: Final answer
    x = 15,349.64

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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.