Home / 28,550.16-42,829.38-9,834.84

Finding the Fourth Proportional to 28,550.16, 42,829.38 and 9,834.84

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Solution

The fourth proportional to 28,550.16, 42,829.38 and 9,834.84 is: 14,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550.16 : 42,829.38 = 9,834.84 : x
  2. Step 2: Convert to fraction form
    28,550.16/42,829.38 = 9,834.84/x
  3. Step 3: Cross multiply
    28,550.16x = 42,829.38 × 9,834.84
  4. Step 4: Simplify right side
    28,550.16x = 421,220,099.60
  5. Step 5: Solve for x
    x = 421,220,099.60/28,550.16
  6. Step 6: Final answer
    x = 14,753.69

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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.