Home / 20,033.58-27,637.65-12,071.28

Finding the Fourth Proportional to 20,033.58, 27,637.65 and 12,071.28

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Solution

The fourth proportional to 20,033.58, 27,637.65 and 12,071.28 is: 16,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.58 : 27,637.65 = 12,071.28 : x
  2. Step 2: Convert to fraction form
    20,033.58/27,637.65 = 12,071.28/x
  3. Step 3: Cross multiply
    20,033.58x = 27,637.65 × 12,071.28
  4. Step 4: Simplify right side
    20,033.58x = 333,621,613.15
  5. Step 5: Solve for x
    x = 333,621,613.15/20,033.58
  6. Step 6: Final answer
    x = 16,653.12

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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.