Home / 13,051.60-19,571.92-4,281.68

Finding the Fourth Proportional to 13,051.60, 19,571.92 and 4,281.68

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Solution

The fourth proportional to 13,051.60, 19,571.92 and 4,281.68 is: 6,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.60 : 19,571.92 = 4,281.68 : x
  2. Step 2: Convert to fraction form
    13,051.60/19,571.92 = 4,281.68/x
  3. Step 3: Cross multiply
    13,051.60x = 19,571.92 × 4,281.68
  4. Step 4: Simplify right side
    13,051.60x = 83,800,698.43
  5. Step 5: Solve for x
    x = 83,800,698.43/13,051.60
  6. Step 6: Final answer
    x = 6,420.72

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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.