Home / 25,668.19-38,505.95-7,900.32

Finding the Fourth Proportional to 25,668.19, 38,505.95 and 7,900.32

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Solution

The fourth proportional to 25,668.19, 38,505.95 and 7,900.32 is: 11,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.19 : 38,505.95 = 7,900.32 : x
  2. Step 2: Convert to fraction form
    25,668.19/38,505.95 = 7,900.32/x
  3. Step 3: Cross multiply
    25,668.19x = 38,505.95 × 7,900.32
  4. Step 4: Simplify right side
    25,668.19x = 304,209,326.90
  5. Step 5: Solve for x
    x = 304,209,326.90/25,668.19
  6. Step 6: Final answer
    x = 11,851.61

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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.