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Finding the Fourth Proportional to 18,924.80, 26,116.08 and 10,541.12

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Solution

The fourth proportional to 18,924.80, 26,116.08 and 10,541.12 is: 14,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.80 : 26,116.08 = 10,541.12 : x
  2. Step 2: Convert to fraction form
    18,924.80/26,116.08 = 10,541.12/x
  3. Step 3: Cross multiply
    18,924.80x = 26,116.08 × 10,541.12
  4. Step 4: Simplify right side
    18,924.80x = 275,292,733.21
  5. Step 5: Solve for x
    x = 275,292,733.21/18,924.80
  6. Step 6: Final answer
    x = 14,546.67

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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.