Home / 32,820.26-45,289.96-19,388.30

Finding the Fourth Proportional to 32,820.26, 45,289.96 and 19,388.30

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Solution

The fourth proportional to 32,820.26, 45,289.96 and 19,388.30 is: 26,754.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,820.26 : 45,289.96 = 19,388.30 : x
  2. Step 2: Convert to fraction form
    32,820.26/45,289.96 = 19,388.30/x
  3. Step 3: Cross multiply
    32,820.26x = 45,289.96 × 19,388.30
  4. Step 4: Simplify right side
    32,820.26x = 878,095,056.55
  5. Step 5: Solve for x
    x = 878,095,056.55/32,820.26
  6. Step 6: Final answer
    x = 26,754.67

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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.