Home / 28,443.83-42,608.63-14,169.32

Finding the Fourth Proportional to 28,443.83, 42,608.63 and 14,169.32

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Solution

The fourth proportional to 28,443.83, 42,608.63 and 14,169.32 is: 21,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,443.83 : 42,608.63 = 14,169.32 : x
  2. Step 2: Convert to fraction form
    28,443.83/42,608.63 = 14,169.32/x
  3. Step 3: Cross multiply
    28,443.83x = 42,608.63 × 14,169.32
  4. Step 4: Simplify right side
    28,443.83x = 603,735,313.23
  5. Step 5: Solve for x
    x = 603,735,313.23/28,443.83
  6. Step 6: Final answer
    x = 21,225.53

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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.