Home / 14,263.22-19,683.38-7,889.48

Finding the Fourth Proportional to 14,263.22, 19,683.38 and 7,889.48

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Solution

The fourth proportional to 14,263.22, 19,683.38 and 7,889.48 is: 10,887.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.22 : 19,683.38 = 7,889.48 : x
  2. Step 2: Convert to fraction form
    14,263.22/19,683.38 = 7,889.48/x
  3. Step 3: Cross multiply
    14,263.22x = 19,683.38 × 7,889.48
  4. Step 4: Simplify right side
    14,263.22x = 155,291,632.84
  5. Step 5: Solve for x
    x = 155,291,632.84/14,263.22
  6. Step 6: Final answer
    x = 10,887.56

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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.