Home / 19,704.04-29,555.84-5,664.40

Finding the Fourth Proportional to 19,704.04, 29,555.84 and 5,664.40

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Solution

The fourth proportional to 19,704.04, 29,555.84 and 5,664.40 is: 8,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.04 : 29,555.84 = 5,664.40 : x
  2. Step 2: Convert to fraction form
    19,704.04/29,555.84 = 5,664.40/x
  3. Step 3: Cross multiply
    19,704.04x = 29,555.84 × 5,664.40
  4. Step 4: Simplify right side
    19,704.04x = 167,416,100.10
  5. Step 5: Solve for x
    x = 167,416,100.10/19,704.04
  6. Step 6: Final answer
    x = 8,496.54

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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.