Home / 15,690.95-23,536.44-11,031.80

Finding the Fourth Proportional to 15,690.95, 23,536.44 and 11,031.80

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Solution

The fourth proportional to 15,690.95, 23,536.44 and 11,031.80 is: 16,547.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.95 : 23,536.44 = 11,031.80 : x
  2. Step 2: Convert to fraction form
    15,690.95/23,536.44 = 11,031.80/x
  3. Step 3: Cross multiply
    15,690.95x = 23,536.44 × 11,031.80
  4. Step 4: Simplify right side
    15,690.95x = 259,649,181.11
  5. Step 5: Solve for x
    x = 259,649,181.11/15,690.95
  6. Step 6: Final answer
    x = 16,547.71

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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.