Home / 18,668.54-25,762.56-10,285.04

Finding the Fourth Proportional to 18,668.54, 25,762.56 and 10,285.04

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Solution

The fourth proportional to 18,668.54, 25,762.56 and 10,285.04 is: 14,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.54 : 25,762.56 = 10,285.04 : x
  2. Step 2: Convert to fraction form
    18,668.54/25,762.56 = 10,285.04/x
  3. Step 3: Cross multiply
    18,668.54x = 25,762.56 × 10,285.04
  4. Step 4: Simplify right side
    18,668.54x = 264,968,960.10
  5. Step 5: Solve for x
    x = 264,968,960.10/18,668.54
  6. Step 6: Final answer
    x = 14,193.34

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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.