Home / 19,022.87-26,242.71-12,310.67

Finding the Fourth Proportional to 19,022.87, 26,242.71 and 12,310.67

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Solution

The fourth proportional to 19,022.87, 26,242.71 and 12,310.67 is: 16,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.87 : 26,242.71 = 12,310.67 : x
  2. Step 2: Convert to fraction form
    19,022.87/26,242.71 = 12,310.67/x
  3. Step 3: Cross multiply
    19,022.87x = 26,242.71 × 12,310.67
  4. Step 4: Simplify right side
    19,022.87x = 323,065,211.50
  5. Step 5: Solve for x
    x = 323,065,211.50/19,022.87
  6. Step 6: Final answer
    x = 16,982.99

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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.