Home / 13,152.08-19,702.20-10,845.20

Finding the Fourth Proportional to 13,152.08, 19,702.20 and 10,845.20

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Solution

The fourth proportional to 13,152.08, 19,702.20 and 10,845.20 is: 16,246.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.08 : 19,702.20 = 10,845.20 : x
  2. Step 2: Convert to fraction form
    13,152.08/19,702.20 = 10,845.20/x
  3. Step 3: Cross multiply
    13,152.08x = 19,702.20 × 10,845.20
  4. Step 4: Simplify right side
    13,152.08x = 213,674,299.44
  5. Step 5: Solve for x
    x = 213,674,299.44/13,152.08
  6. Step 6: Final answer
    x = 16,246.43

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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.