Home / 18,765.69-25,888.59-10,806.23

Finding the Fourth Proportional to 18,765.69, 25,888.59 and 10,806.23

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Solution

The fourth proportional to 18,765.69, 25,888.59 and 10,806.23 is: 14,907.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.69 : 25,888.59 = 10,806.23 : x
  2. Step 2: Convert to fraction form
    18,765.69/25,888.59 = 10,806.23/x
  3. Step 3: Cross multiply
    18,765.69x = 25,888.59 × 10,806.23
  4. Step 4: Simplify right side
    18,765.69x = 279,757,928.47
  5. Step 5: Solve for x
    x = 279,757,928.47/18,765.69
  6. Step 6: Final answer
    x = 14,907.95

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Find fourth proportional to 18,766.69, 25,889.97 and 10,807.23
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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.