Home / 20,624.04-30,936.06-8,937

Finding the Fourth Proportional to 20,624.04, 30,936.06 and 8,937

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Solution

The fourth proportional to 20,624.04, 30,936.06 and 8,937 is: 13,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.04 : 30,936.06 = 8,937 : x
  2. Step 2: Convert to fraction form
    20,624.04/30,936.06 = 8,937/x
  3. Step 3: Cross multiply
    20,624.04x = 30,936.06 × 8,937
  4. Step 4: Simplify right side
    20,624.04x = 276,475,568.22
  5. Step 5: Solve for x
    x = 276,475,568.22/20,624.04
  6. Step 6: Final answer
    x = 13,405.50

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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.