Home / 19,916.20-29,867.10-10,052.20

Finding the Fourth Proportional to 19,916.20, 29,867.10 and 10,052.20

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Solution

The fourth proportional to 19,916.20, 29,867.10 and 10,052.20 is: 15,074.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.20 : 29,867.10 = 10,052.20 : x
  2. Step 2: Convert to fraction form
    19,916.20/29,867.10 = 10,052.20/x
  3. Step 3: Cross multiply
    19,916.20x = 29,867.10 × 10,052.20
  4. Step 4: Simplify right side
    19,916.20x = 300,230,062.62
  5. Step 5: Solve for x
    x = 300,230,062.62/19,916.20
  6. Step 6: Final answer
    x = 15,074.67

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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.