Home / 36,284.63-54,424.51-9,989.60

Finding the Fourth Proportional to 36,284.63, 54,424.51 and 9,989.60

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Solution

The fourth proportional to 36,284.63, 54,424.51 and 9,989.60 is: 14,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,284.63 : 54,424.51 = 9,989.60 : x
  2. Step 2: Convert to fraction form
    36,284.63/54,424.51 = 9,989.60/x
  3. Step 3: Cross multiply
    36,284.63x = 54,424.51 × 9,989.60
  4. Step 4: Simplify right side
    36,284.63x = 543,678,788.00
  5. Step 5: Solve for x
    x = 543,678,788.00/36,284.63
  6. Step 6: Final answer
    x = 14,983.72

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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.