Home / 27,466.63-37,867.29-21,820.12

Finding the Fourth Proportional to 27,466.63, 37,867.29 and 21,820.12

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Solution

The fourth proportional to 27,466.63, 37,867.29 and 21,820.12 is: 30,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,466.63 : 37,867.29 = 21,820.12 : x
  2. Step 2: Convert to fraction form
    27,466.63/37,867.29 = 21,820.12/x
  3. Step 3: Cross multiply
    27,466.63x = 37,867.29 × 21,820.12
  4. Step 4: Simplify right side
    27,466.63x = 826,268,811.87
  5. Step 5: Solve for x
    x = 826,268,811.87/27,466.63
  6. Step 6: Final answer
    x = 30,082.64

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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.