Home / 18,668.24-25,760.16-10,710.28

Finding the Fourth Proportional to 18,668.24, 25,760.16 and 10,710.28

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Solution

The fourth proportional to 18,668.24, 25,760.16 and 10,710.28 is: 14,779.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.24 : 25,760.16 = 10,710.28 : x
  2. Step 2: Convert to fraction form
    18,668.24/25,760.16 = 10,710.28/x
  3. Step 3: Cross multiply
    18,668.24x = 25,760.16 × 10,710.28
  4. Step 4: Simplify right side
    18,668.24x = 275,898,526.44
  5. Step 5: Solve for x
    x = 275,898,526.44/18,668.24
  6. Step 6: Final answer
    x = 14,779.03

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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.