Home / 19,155.44-28,732.80-5,304.08

Finding the Fourth Proportional to 19,155.44, 28,732.80 and 5,304.08

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Solution

The fourth proportional to 19,155.44, 28,732.80 and 5,304.08 is: 7,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.44 : 28,732.80 = 5,304.08 : x
  2. Step 2: Convert to fraction form
    19,155.44/28,732.80 = 5,304.08/x
  3. Step 3: Cross multiply
    19,155.44x = 28,732.80 × 5,304.08
  4. Step 4: Simplify right side
    19,155.44x = 152,401,069.82
  5. Step 5: Solve for x
    x = 152,401,069.82/19,155.44
  6. Step 6: Final answer
    x = 7,956.02

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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.