Home / 14,228.37-21,313.95-7,091.07

Finding the Fourth Proportional to 14,228.37, 21,313.95 and 7,091.07

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Solution

The fourth proportional to 14,228.37, 21,313.95 and 7,091.07 is: 10,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.37 : 21,313.95 = 7,091.07 : x
  2. Step 2: Convert to fraction form
    14,228.37/21,313.95 = 7,091.07/x
  3. Step 3: Cross multiply
    14,228.37x = 21,313.95 × 7,091.07
  4. Step 4: Simplify right side
    14,228.37x = 151,138,711.43
  5. Step 5: Solve for x
    x = 151,138,711.43/14,228.37
  6. Step 6: Final answer
    x = 10,622.35

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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.