Home / 26,425.40-39,623.70-8,886.20

Finding the Fourth Proportional to 26,425.40, 39,623.70 and 8,886.20

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Solution

The fourth proportional to 26,425.40, 39,623.70 and 8,886.20 is: 13,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,425.40 : 39,623.70 = 8,886.20 : x
  2. Step 2: Convert to fraction form
    26,425.40/39,623.70 = 8,886.20/x
  3. Step 3: Cross multiply
    26,425.40x = 39,623.70 × 8,886.20
  4. Step 4: Simplify right side
    26,425.40x = 352,104,122.94
  5. Step 5: Solve for x
    x = 352,104,122.94/26,425.40
  6. Step 6: Final answer
    x = 13,324.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.