Home / 25,668.30-38,502.45-7,200.30

Finding the Fourth Proportional to 25,668.30, 38,502.45 and 7,200.30

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Solution

The fourth proportional to 25,668.30, 38,502.45 and 7,200.30 is: 10,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.30 : 38,502.45 = 7,200.30 : x
  2. Step 2: Convert to fraction form
    25,668.30/38,502.45 = 7,200.30/x
  3. Step 3: Cross multiply
    25,668.30x = 38,502.45 × 7,200.30
  4. Step 4: Simplify right side
    25,668.30x = 277,229,190.74
  5. Step 5: Solve for x
    x = 277,229,190.74/25,668.30
  6. Step 6: Final answer
    x = 10,800.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.