Home / 19,425.21-26,805.90-10,928.04

Finding the Fourth Proportional to 19,425.21, 26,805.90 and 10,928.04

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Solution

The fourth proportional to 19,425.21, 26,805.90 and 10,928.04 is: 15,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.21 : 26,805.90 = 10,928.04 : x
  2. Step 2: Convert to fraction form
    19,425.21/26,805.90 = 10,928.04/x
  3. Step 3: Cross multiply
    19,425.21x = 26,805.90 × 10,928.04
  4. Step 4: Simplify right side
    19,425.21x = 292,935,947.44
  5. Step 5: Solve for x
    x = 292,935,947.44/19,425.21
  6. Step 6: Final answer
    x = 15,080.19

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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.