Home / 43,888.27-65,869.26-18,947.16

Finding the Fourth Proportional to 43,888.27, 65,869.26 and 18,947.16

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Solution

The fourth proportional to 43,888.27, 65,869.26 and 18,947.16 is: 28,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,888.27 : 65,869.26 = 18,947.16 : x
  2. Step 2: Convert to fraction form
    43,888.27/65,869.26 = 18,947.16/x
  3. Step 3: Cross multiply
    43,888.27x = 65,869.26 × 18,947.16
  4. Step 4: Simplify right side
    43,888.27x = 1,248,035,408.30
  5. Step 5: Solve for x
    x = 1,248,035,408.30/43,888.27
  6. Step 6: Final answer
    x = 28,436.65

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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.