Home / 17,721.70-24,448.98-15,483.67

Finding the Fourth Proportional to 17,721.70, 24,448.98 and 15,483.67

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Solution

The fourth proportional to 17,721.70, 24,448.98 and 15,483.67 is: 21,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.70 : 24,448.98 = 15,483.67 : x
  2. Step 2: Convert to fraction form
    17,721.70/24,448.98 = 15,483.67/x
  3. Step 3: Cross multiply
    17,721.70x = 24,448.98 × 15,483.67
  4. Step 4: Simplify right side
    17,721.70x = 378,559,938.16
  5. Step 5: Solve for x
    x = 378,559,938.16/17,721.70
  6. Step 6: Final answer
    x = 21,361.38

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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.