Home / 28,246.88-38,964.48-17,618.06

Finding the Fourth Proportional to 28,246.88, 38,964.48 and 17,618.06

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Solution

The fourth proportional to 28,246.88, 38,964.48 and 17,618.06 is: 24,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.88 : 38,964.48 = 17,618.06 : x
  2. Step 2: Convert to fraction form
    28,246.88/38,964.48 = 17,618.06/x
  3. Step 3: Cross multiply
    28,246.88x = 38,964.48 × 17,618.06
  4. Step 4: Simplify right side
    28,246.88x = 686,478,546.51
  5. Step 5: Solve for x
    x = 686,478,546.51/28,246.88
  6. Step 6: Final answer
    x = 24,302.81

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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.