Home / 15,085.58-22,627.55-3,992.63

Finding the Fourth Proportional to 15,085.58, 22,627.55 and 3,992.63

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Solution

The fourth proportional to 15,085.58, 22,627.55 and 3,992.63 is: 5,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,085.58 : 22,627.55 = 3,992.63 : x
  2. Step 2: Convert to fraction form
    15,085.58/22,627.55 = 3,992.63/x
  3. Step 3: Cross multiply
    15,085.58x = 22,627.55 × 3,992.63
  4. Step 4: Simplify right side
    15,085.58x = 90,343,331.80
  5. Step 5: Solve for x
    x = 90,343,331.80/15,085.58
  6. Step 6: Final answer
    x = 5,988.72

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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.