Home / 20,036.16-27,648-11,651.04

Finding the Fourth Proportional to 20,036.16, 27,648 and 11,651.04

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Solution

The fourth proportional to 20,036.16, 27,648 and 11,651.04 is: 16,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.16 : 27,648 = 11,651.04 : x
  2. Step 2: Convert to fraction form
    20,036.16/27,648 = 11,651.04/x
  3. Step 3: Cross multiply
    20,036.16x = 27,648 × 11,651.04
  4. Step 4: Simplify right side
    20,036.16x = 322,127,953.92
  5. Step 5: Solve for x
    x = 322,127,953.92/20,036.16
  6. Step 6: Final answer
    x = 16,077.33

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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.