Home / 14,003.03-19,324.54-7,715.41

Finding the Fourth Proportional to 14,003.03, 19,324.54 and 7,715.41

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Solution

The fourth proportional to 14,003.03, 19,324.54 and 7,715.41 is: 10,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.03 : 19,324.54 = 7,715.41 : x
  2. Step 2: Convert to fraction form
    14,003.03/19,324.54 = 7,715.41/x
  3. Step 3: Cross multiply
    14,003.03x = 19,324.54 × 7,715.41
  4. Step 4: Simplify right side
    14,003.03x = 149,096,749.16
  5. Step 5: Solve for x
    x = 149,096,749.16/14,003.03
  6. Step 6: Final answer
    x = 10,647.46

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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.