Home / 22,320.48-33,533-21,059.56

Finding the Fourth Proportional to 22,320.48, 33,533 and 21,059.56

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Solution

The fourth proportional to 22,320.48, 33,533 and 21,059.56 is: 31,638.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.48 : 33,533 = 21,059.56 : x
  2. Step 2: Convert to fraction form
    22,320.48/33,533 = 21,059.56/x
  3. Step 3: Cross multiply
    22,320.48x = 33,533 × 21,059.56
  4. Step 4: Simplify right side
    22,320.48x = 706,190,225.48
  5. Step 5: Solve for x
    x = 706,190,225.48/22,320.48
  6. Step 6: Final answer
    x = 31,638.67

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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.