Home / 28,010.16-38,645.73-16,673.94

Finding the Fourth Proportional to 28,010.16, 38,645.73 and 16,673.94

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Solution

The fourth proportional to 28,010.16, 38,645.73 and 16,673.94 is: 23,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.16 : 38,645.73 = 16,673.94 : x
  2. Step 2: Convert to fraction form
    28,010.16/38,645.73 = 16,673.94/x
  3. Step 3: Cross multiply
    28,010.16x = 38,645.73 × 16,673.94
  4. Step 4: Simplify right side
    28,010.16x = 644,376,583.28
  5. Step 5: Solve for x
    x = 644,376,583.28/28,010.16
  6. Step 6: Final answer
    x = 23,005.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.