Home / 13,021.22-19,508.34-10,954.10

Finding the Fourth Proportional to 13,021.22, 19,508.34 and 10,954.10

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Solution

The fourth proportional to 13,021.22, 19,508.34 and 10,954.10 is: 16,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.22 : 19,508.34 = 10,954.10 : x
  2. Step 2: Convert to fraction form
    13,021.22/19,508.34 = 10,954.10/x
  3. Step 3: Cross multiply
    13,021.22x = 19,508.34 × 10,954.10
  4. Step 4: Simplify right side
    13,021.22x = 213,696,307.19
  5. Step 5: Solve for x
    x = 213,696,307.19/13,021.22
  6. Step 6: Final answer
    x = 16,411.39

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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.