Home / 14,324.60-21,466.08-10,172.72

Finding the Fourth Proportional to 14,324.60, 21,466.08 and 10,172.72

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Solution

The fourth proportional to 14,324.60, 21,466.08 and 10,172.72 is: 15,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,324.60 : 21,466.08 = 10,172.72 : x
  2. Step 2: Convert to fraction form
    14,324.60/21,466.08 = 10,172.72/x
  3. Step 3: Cross multiply
    14,324.60x = 21,466.08 × 10,172.72
  4. Step 4: Simplify right side
    14,324.60x = 218,368,421.34
  5. Step 5: Solve for x
    x = 218,368,421.34/14,324.60
  6. Step 6: Final answer
    x = 15,244.29

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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.