Home / 14,733.82-20,331.90-8,019.28

Finding the Fourth Proportional to 14,733.82, 20,331.90 and 8,019.28

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Solution

The fourth proportional to 14,733.82, 20,331.90 and 8,019.28 is: 11,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,733.82 : 20,331.90 = 8,019.28 : x
  2. Step 2: Convert to fraction form
    14,733.82/20,331.90 = 8,019.28/x
  3. Step 3: Cross multiply
    14,733.82x = 20,331.90 × 8,019.28
  4. Step 4: Simplify right side
    14,733.82x = 163,047,199.03
  5. Step 5: Solve for x
    x = 163,047,199.03/14,733.82
  6. Step 6: Final answer
    x = 11,066.19

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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.