Home / 13,102.18-19,653.42-5,604.72

Finding the Fourth Proportional to 13,102.18, 19,653.42 and 5,604.72

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Solution

The fourth proportional to 13,102.18, 19,653.42 and 5,604.72 is: 8,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.18 : 19,653.42 = 5,604.72 : x
  2. Step 2: Convert to fraction form
    13,102.18/19,653.42 = 5,604.72/x
  3. Step 3: Cross multiply
    13,102.18x = 19,653.42 × 5,604.72
  4. Step 4: Simplify right side
    13,102.18x = 110,151,916.14
  5. Step 5: Solve for x
    x = 110,151,916.14/13,102.18
  6. Step 6: Final answer
    x = 8,407.14

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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.