Home / 32,815.49-45,284.99-18,668.30

Finding the Fourth Proportional to 32,815.49, 45,284.99 and 18,668.30

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Solution

The fourth proportional to 32,815.49, 45,284.99 and 18,668.30 is: 25,762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,815.49 : 45,284.99 = 18,668.30 : x
  2. Step 2: Convert to fraction form
    32,815.49/45,284.99 = 18,668.30/x
  3. Step 3: Cross multiply
    32,815.49x = 45,284.99 × 18,668.30
  4. Step 4: Simplify right side
    32,815.49x = 845,393,459.05
  5. Step 5: Solve for x
    x = 845,393,459.05/32,815.49
  6. Step 6: Final answer
    x = 25,762.03

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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.