Home / 15,054.06-20,775.33-9,085.62

Finding the Fourth Proportional to 15,054.06, 20,775.33 and 9,085.62

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Solution

The fourth proportional to 15,054.06, 20,775.33 and 9,085.62 is: 12,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.06 : 20,775.33 = 9,085.62 : x
  2. Step 2: Convert to fraction form
    15,054.06/20,775.33 = 9,085.62/x
  3. Step 3: Cross multiply
    15,054.06x = 20,775.33 × 9,085.62
  4. Step 4: Simplify right side
    15,054.06x = 188,756,753.75
  5. Step 5: Solve for x
    x = 188,756,753.75/15,054.06
  6. Step 6: Final answer
    x = 12,538.59

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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.