Home / 26,623.68-36,654.28-20,948.41

Finding the Fourth Proportional to 26,623.68, 36,654.28 and 20,948.41

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Solution

The fourth proportional to 26,623.68, 36,654.28 and 20,948.41 is: 28,840.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,623.68 : 36,654.28 = 20,948.41 : x
  2. Step 2: Convert to fraction form
    26,623.68/36,654.28 = 20,948.41/x
  3. Step 3: Cross multiply
    26,623.68x = 36,654.28 × 20,948.41
  4. Step 4: Simplify right side
    26,623.68x = 767,848,885.69
  5. Step 5: Solve for x
    x = 767,848,885.69/26,623.68
  6. Step 6: Final answer
    x = 28,840.82

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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.