Home / 28,459.19-42,676.94-9,735.44

Finding the Fourth Proportional to 28,459.19, 42,676.94 and 9,735.44

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Solution

The fourth proportional to 28,459.19, 42,676.94 and 9,735.44 is: 14,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,459.19 : 42,676.94 = 9,735.44 : x
  2. Step 2: Convert to fraction form
    28,459.19/42,676.94 = 9,735.44/x
  3. Step 3: Cross multiply
    28,459.19x = 42,676.94 × 9,735.44
  4. Step 4: Simplify right side
    28,459.19x = 415,478,599.71
  5. Step 5: Solve for x
    x = 415,478,599.71/28,459.19
  6. Step 6: Final answer
    x = 14,599.10

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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.