Home / 19,216.60-28,819.50-9,356.20

Finding the Fourth Proportional to 19,216.60, 28,819.50 and 9,356.20

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Solution

The fourth proportional to 19,216.60, 28,819.50 and 9,356.20 is: 14,031.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.60 : 28,819.50 = 9,356.20 : x
  2. Step 2: Convert to fraction form
    19,216.60/28,819.50 = 9,356.20/x
  3. Step 3: Cross multiply
    19,216.60x = 28,819.50 × 9,356.20
  4. Step 4: Simplify right side
    19,216.60x = 269,641,005.90
  5. Step 5: Solve for x
    x = 269,641,005.90/19,216.60
  6. Step 6: Final answer
    x = 14,031.67

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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.