Home / 32,651.34-45,069.10-18,513.60

Finding the Fourth Proportional to 32,651.34, 45,069.10 and 18,513.60

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Solution

The fourth proportional to 32,651.34, 45,069.10 and 18,513.60 is: 25,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,651.34 : 45,069.10 = 18,513.60 : x
  2. Step 2: Convert to fraction form
    32,651.34/45,069.10 = 18,513.60/x
  3. Step 3: Cross multiply
    32,651.34x = 45,069.10 × 18,513.60
  4. Step 4: Simplify right side
    32,651.34x = 834,391,289.76
  5. Step 5: Solve for x
    x = 834,391,289.76/32,651.34
  6. Step 6: Final answer
    x = 25,554.58

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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.