Home / 13,368.72-20,031.16-9,466.12

Finding the Fourth Proportional to 13,368.72, 20,031.16 and 9,466.12

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Solution

The fourth proportional to 13,368.72, 20,031.16 and 9,466.12 is: 14,183.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.72 : 20,031.16 = 9,466.12 : x
  2. Step 2: Convert to fraction form
    13,368.72/20,031.16 = 9,466.12/x
  3. Step 3: Cross multiply
    13,368.72x = 20,031.16 × 9,466.12
  4. Step 4: Simplify right side
    13,368.72x = 189,617,364.30
  5. Step 5: Solve for x
    x = 189,617,364.30/13,368.72
  6. Step 6: Final answer
    x = 14,183.66

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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.