Home / 13,003.70-19,500.93-4,681.48

Finding the Fourth Proportional to 13,003.70, 19,500.93 and 4,681.48

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Solution

The fourth proportional to 13,003.70, 19,500.93 and 4,681.48 is: 7,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003.70 : 19,500.93 = 4,681.48 : x
  2. Step 2: Convert to fraction form
    13,003.70/19,500.93 = 4,681.48/x
  3. Step 3: Cross multiply
    13,003.70x = 19,500.93 × 4,681.48
  4. Step 4: Simplify right side
    13,003.70x = 91,293,219.14
  5. Step 5: Solve for x
    x = 91,293,219.14/13,003.70
  6. Step 6: Final answer
    x = 7,020.56

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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.