Home / 32,967.50-45,495.18-18,820.04

Finding the Fourth Proportional to 32,967.50, 45,495.18 and 18,820.04

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Solution

The fourth proportional to 32,967.50, 45,495.18 and 18,820.04 is: 25,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,967.50 : 45,495.18 = 18,820.04 : x
  2. Step 2: Convert to fraction form
    32,967.50/45,495.18 = 18,820.04/x
  3. Step 3: Cross multiply
    32,967.50x = 45,495.18 × 18,820.04
  4. Step 4: Simplify right side
    32,967.50x = 856,221,107.41
  5. Step 5: Solve for x
    x = 856,221,107.41/32,967.50
  6. Step 6: Final answer
    x = 25,971.67

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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.