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Finding the Fourth Proportional to 14,964.16, 20,635.19 and 9,861.01

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Solution

The fourth proportional to 14,964.16, 20,635.19 and 9,861.01 is: 13,598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.16 : 20,635.19 = 9,861.01 : x
  2. Step 2: Convert to fraction form
    14,964.16/20,635.19 = 9,861.01/x
  3. Step 3: Cross multiply
    14,964.16x = 20,635.19 × 9,861.01
  4. Step 4: Simplify right side
    14,964.16x = 203,483,814.94
  5. Step 5: Solve for x
    x = 203,483,814.94/14,964.16
  6. Step 6: Final answer
    x = 13,598.08

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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.