Home / 22,321.54-30,794.95-12,756.29

Finding the Fourth Proportional to 22,321.54, 30,794.95 and 12,756.29

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Solution

The fourth proportional to 22,321.54, 30,794.95 and 12,756.29 is: 17,598.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.54 : 30,794.95 = 12,756.29 : x
  2. Step 2: Convert to fraction form
    22,321.54/30,794.95 = 12,756.29/x
  3. Step 3: Cross multiply
    22,321.54x = 30,794.95 × 12,756.29
  4. Step 4: Simplify right side
    22,321.54x = 392,829,410.41
  5. Step 5: Solve for x
    x = 392,829,410.41/22,321.54
  6. Step 6: Final answer
    x = 17,598.67

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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.