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Finding the Fourth Proportional to 15,033.42, 20,746.23 and 9,063.90

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Solution

The fourth proportional to 15,033.42, 20,746.23 and 9,063.90 is: 12,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033.42 : 20,746.23 = 9,063.90 : x
  2. Step 2: Convert to fraction form
    15,033.42/20,746.23 = 9,063.90/x
  3. Step 3: Cross multiply
    15,033.42x = 20,746.23 × 9,063.90
  4. Step 4: Simplify right side
    15,033.42x = 188,041,754.10
  5. Step 5: Solve for x
    x = 188,041,754.10/15,033.42
  6. Step 6: Final answer
    x = 12,508.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.