Home / 28,451.93-42,668.71-9,471.51

Finding the Fourth Proportional to 28,451.93, 42,668.71 and 9,471.51

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Solution

The fourth proportional to 28,451.93, 42,668.71 and 9,471.51 is: 14,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,451.93 : 42,668.71 = 9,471.51 : x
  2. Step 2: Convert to fraction form
    28,451.93/42,668.71 = 9,471.51/x
  3. Step 3: Cross multiply
    28,451.93x = 42,668.71 × 9,471.51
  4. Step 4: Simplify right side
    28,451.93x = 404,137,089.77
  5. Step 5: Solve for x
    x = 404,137,089.77/28,451.93
  6. Step 6: Final answer
    x = 14,204.21

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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.