Home / 20,035.16-27,646.08-11,081.45

Finding the Fourth Proportional to 20,035.16, 27,646.08 and 11,081.45

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Solution

The fourth proportional to 20,035.16, 27,646.08 and 11,081.45 is: 15,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.16 : 27,646.08 = 11,081.45 : x
  2. Step 2: Convert to fraction form
    20,035.16/27,646.08 = 11,081.45/x
  3. Step 3: Cross multiply
    20,035.16x = 27,646.08 × 11,081.45
  4. Step 4: Simplify right side
    20,035.16x = 306,358,514.99
  5. Step 5: Solve for x
    x = 306,358,514.99/20,035.16
  6. Step 6: Final answer
    x = 15,291.05

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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.