Home / 15,749.85-23,628.09-5,219.27

Finding the Fourth Proportional to 15,749.85, 23,628.09 and 5,219.27

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Solution

The fourth proportional to 15,749.85, 23,628.09 and 5,219.27 is: 7,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.85 : 23,628.09 = 5,219.27 : x
  2. Step 2: Convert to fraction form
    15,749.85/23,628.09 = 5,219.27/x
  3. Step 3: Cross multiply
    15,749.85x = 23,628.09 × 5,219.27
  4. Step 4: Simplify right side
    15,749.85x = 123,321,263.15
  5. Step 5: Solve for x
    x = 123,321,263.15/15,749.85
  6. Step 6: Final answer
    x = 7,830.00

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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.