Home / 28,914.57-39,903.03-18,849.51

Finding the Fourth Proportional to 28,914.57, 39,903.03 and 18,849.51

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Solution

The fourth proportional to 28,914.57, 39,903.03 and 18,849.51 is: 26,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,914.57 : 39,903.03 = 18,849.51 : x
  2. Step 2: Convert to fraction form
    28,914.57/39,903.03 = 18,849.51/x
  3. Step 3: Cross multiply
    28,914.57x = 39,903.03 × 18,849.51
  4. Step 4: Simplify right side
    28,914.57x = 752,152,563.02
  5. Step 5: Solve for x
    x = 752,152,563.02/28,914.57
  6. Step 6: Final answer
    x = 26,012.93

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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.