Home / 13,619.54-18,793.86-7,651.01

Finding the Fourth Proportional to 13,619.54, 18,793.86 and 7,651.01

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Solution

The fourth proportional to 13,619.54, 18,793.86 and 7,651.01 is: 10,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.54 : 18,793.86 = 7,651.01 : x
  2. Step 2: Convert to fraction form
    13,619.54/18,793.86 = 7,651.01/x
  3. Step 3: Cross multiply
    13,619.54x = 18,793.86 × 7,651.01
  4. Step 4: Simplify right side
    13,619.54x = 143,791,916.83
  5. Step 5: Solve for x
    x = 143,791,916.83/13,619.54
  6. Step 6: Final answer
    x = 10,557.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.