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Finding the Fourth Proportional to 14,030.08, 21,018.12 and 8,767.16

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Solution

The fourth proportional to 14,030.08, 21,018.12 and 8,767.16 is: 13,133.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.08 : 21,018.12 = 8,767.16 : x
  2. Step 2: Convert to fraction form
    14,030.08/21,018.12 = 8,767.16/x
  3. Step 3: Cross multiply
    14,030.08x = 21,018.12 × 8,767.16
  4. Step 4: Simplify right side
    14,030.08x = 184,269,115.85
  5. Step 5: Solve for x
    x = 184,269,115.85/14,030.08
  6. Step 6: Final answer
    x = 13,133.86

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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.