Home / 14,168.50-21,253.20-4,307.87

Finding the Fourth Proportional to 14,168.50, 21,253.20 and 4,307.87

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Solution

The fourth proportional to 14,168.50, 21,253.20 and 4,307.87 is: 6,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.50 : 21,253.20 = 4,307.87 : x
  2. Step 2: Convert to fraction form
    14,168.50/21,253.20 = 4,307.87/x
  3. Step 3: Cross multiply
    14,168.50x = 21,253.20 × 4,307.87
  4. Step 4: Simplify right side
    14,168.50x = 91,555,916.42
  5. Step 5: Solve for x
    x = 91,555,916.42/14,168.50
  6. Step 6: Final answer
    x = 6,461.93

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Double scale
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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.