Home / 28,563.68-39,412.26-17,947.18

Finding the Fourth Proportional to 28,563.68, 39,412.26 and 17,947.18

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Solution

The fourth proportional to 28,563.68, 39,412.26 and 17,947.18 is: 24,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563.68 : 39,412.26 = 17,947.18 : x
  2. Step 2: Convert to fraction form
    28,563.68/39,412.26 = 17,947.18/x
  3. Step 3: Cross multiply
    28,563.68x = 39,412.26 × 17,947.18
  4. Step 4: Simplify right side
    28,563.68x = 707,338,924.43
  5. Step 5: Solve for x
    x = 707,338,924.43/28,563.68
  6. Step 6: Final answer
    x = 24,763.58

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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.