Home / 13,551.98-20,323.75-4,784.83

Finding the Fourth Proportional to 13,551.98, 20,323.75 and 4,784.83

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Solution

The fourth proportional to 13,551.98, 20,323.75 and 4,784.83 is: 7,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.98 : 20,323.75 = 4,784.83 : x
  2. Step 2: Convert to fraction form
    13,551.98/20,323.75 = 4,784.83/x
  3. Step 3: Cross multiply
    13,551.98x = 20,323.75 × 4,784.83
  4. Step 4: Simplify right side
    13,551.98x = 97,245,688.71
  5. Step 5: Solve for x
    x = 97,245,688.71/13,551.98
  6. Step 6: Final answer
    x = 7,175.76

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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.