Home / 19,657.08-29,485.62-4,865.78

Finding the Fourth Proportional to 19,657.08, 29,485.62 and 4,865.78

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Solution

The fourth proportional to 19,657.08, 29,485.62 and 4,865.78 is: 7,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.08 : 29,485.62 = 4,865.78 : x
  2. Step 2: Convert to fraction form
    19,657.08/29,485.62 = 4,865.78/x
  3. Step 3: Cross multiply
    19,657.08x = 29,485.62 × 4,865.78
  4. Step 4: Simplify right side
    19,657.08x = 143,470,540.08
  5. Step 5: Solve for x
    x = 143,470,540.08/19,657.08
  6. Step 6: Final answer
    x = 7,298.67

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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.