Home / 14,163.47-19,545.14-7,790.03

Finding the Fourth Proportional to 14,163.47, 19,545.14 and 7,790.03

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Solution

The fourth proportional to 14,163.47, 19,545.14 and 7,790.03 is: 10,749.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.47 : 19,545.14 = 7,790.03 : x
  2. Step 2: Convert to fraction form
    14,163.47/19,545.14 = 7,790.03/x
  3. Step 3: Cross multiply
    14,163.47x = 19,545.14 × 7,790.03
  4. Step 4: Simplify right side
    14,163.47x = 152,257,090.28
  5. Step 5: Solve for x
    x = 152,257,090.28/14,163.47
  6. Step 6: Final answer
    x = 10,749.99

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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.