Home / 32,688.10-45,107.68-18,346.60

Finding the Fourth Proportional to 32,688.10, 45,107.68 and 18,346.60

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Solution

The fourth proportional to 32,688.10, 45,107.68 and 18,346.60 is: 25,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,688.10 : 45,107.68 = 18,346.60 : x
  2. Step 2: Convert to fraction form
    32,688.10/45,107.68 = 18,346.60/x
  3. Step 3: Cross multiply
    32,688.10x = 45,107.68 × 18,346.60
  4. Step 4: Simplify right side
    32,688.10x = 827,572,244.62
  5. Step 5: Solve for x
    x = 827,572,244.62/32,688.10
  6. Step 6: Final answer
    x = 25,317.24

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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.