Home / 13,051.87-19,580.46-5,555.41

Finding the Fourth Proportional to 13,051.87, 19,580.46 and 5,555.41

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Solution

The fourth proportional to 13,051.87, 19,580.46 and 5,555.41 is: 8,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.87 : 19,580.46 = 5,555.41 : x
  2. Step 2: Convert to fraction form
    13,051.87/19,580.46 = 5,555.41/x
  3. Step 3: Cross multiply
    13,051.87x = 19,580.46 × 5,555.41
  4. Step 4: Simplify right side
    13,051.87x = 108,777,483.29
  5. Step 5: Solve for x
    x = 108,777,483.29/13,051.87
  6. Step 6: Final answer
    x = 8,334.25

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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.