Home / 13,002.81-19,485.36-7,074.66

Finding the Fourth Proportional to 13,002.81, 19,485.36 and 7,074.66

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Solution

The fourth proportional to 13,002.81, 19,485.36 and 7,074.66 is: 10,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002.81 : 19,485.36 = 7,074.66 : x
  2. Step 2: Convert to fraction form
    13,002.81/19,485.36 = 7,074.66/x
  3. Step 3: Cross multiply
    13,002.81x = 19,485.36 × 7,074.66
  4. Step 4: Simplify right side
    13,002.81x = 137,852,296.98
  5. Step 5: Solve for x
    x = 137,852,296.98/13,002.81
  6. Step 6: Final answer
    x = 10,601.73

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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.