Home / 14,445.16-21,704.28-13,861.96

Finding the Fourth Proportional to 14,445.16, 21,704.28 and 13,861.96

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Solution

The fourth proportional to 14,445.16, 21,704.28 and 13,861.96 is: 20,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.16 : 21,704.28 = 13,861.96 : x
  2. Step 2: Convert to fraction form
    14,445.16/21,704.28 = 13,861.96/x
  3. Step 3: Cross multiply
    14,445.16x = 21,704.28 × 13,861.96
  4. Step 4: Simplify right side
    14,445.16x = 300,863,861.19
  5. Step 5: Solve for x
    x = 300,863,861.19/14,445.16
  6. Step 6: Final answer
    x = 20,828.00

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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.