Home / 15,435.99-23,153.96-3,749.22

Finding the Fourth Proportional to 15,435.99, 23,153.96 and 3,749.22

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Solution

The fourth proportional to 15,435.99, 23,153.96 and 3,749.22 is: 5,623.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.99 : 23,153.96 = 3,749.22 : x
  2. Step 2: Convert to fraction form
    15,435.99/23,153.96 = 3,749.22/x
  3. Step 3: Cross multiply
    15,435.99x = 23,153.96 × 3,749.22
  4. Step 4: Simplify right side
    15,435.99x = 86,809,271.17
  5. Step 5: Solve for x
    x = 86,809,271.17/15,435.99
  6. Step 6: Final answer
    x = 5,623.82

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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.