Home / 14,003.37-19,324.53-7,715.70

Finding the Fourth Proportional to 14,003.37, 19,324.53 and 7,715.70

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Solution

The fourth proportional to 14,003.37, 19,324.53 and 7,715.70 is: 10,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.37 : 19,324.53 = 7,715.70 : x
  2. Step 2: Convert to fraction form
    14,003.37/19,324.53 = 7,715.70/x
  3. Step 3: Cross multiply
    14,003.37x = 19,324.53 × 7,715.70
  4. Step 4: Simplify right side
    14,003.37x = 149,102,276.12
  5. Step 5: Solve for x
    x = 149,102,276.12/14,003.37
  6. Step 6: Final answer
    x = 10,647.60

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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.