Home / 14,631.12-20,184.31-9,322.63

Finding the Fourth Proportional to 14,631.12, 20,184.31 and 9,322.63

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Solution

The fourth proportional to 14,631.12, 20,184.31 and 9,322.63 is: 12,861.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.12 : 20,184.31 = 9,322.63 : x
  2. Step 2: Convert to fraction form
    14,631.12/20,184.31 = 9,322.63/x
  3. Step 3: Cross multiply
    14,631.12x = 20,184.31 × 9,322.63
  4. Step 4: Simplify right side
    14,631.12x = 188,170,753.01
  5. Step 5: Solve for x
    x = 188,170,753.01/14,631.12
  6. Step 6: Final answer
    x = 12,861.00

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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.