Home / 14,655.56-20,226.12-8,368.88

Finding the Fourth Proportional to 14,655.56, 20,226.12 and 8,368.88

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Solution

The fourth proportional to 14,655.56, 20,226.12 and 8,368.88 is: 11,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.56 : 20,226.12 = 8,368.88 : x
  2. Step 2: Convert to fraction form
    14,655.56/20,226.12 = 8,368.88/x
  3. Step 3: Cross multiply
    14,655.56x = 20,226.12 × 8,368.88
  4. Step 4: Simplify right side
    14,655.56x = 169,269,971.15
  5. Step 5: Solve for x
    x = 169,269,971.15/14,655.56
  6. Step 6: Final answer
    x = 11,549.88

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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.