Home / 19,155.55-28,733.34-5,304.55

Finding the Fourth Proportional to 19,155.55, 28,733.34 and 5,304.55

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Solution

The fourth proportional to 19,155.55, 28,733.34 and 5,304.55 is: 7,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.55 : 28,733.34 = 5,304.55 : x
  2. Step 2: Convert to fraction form
    19,155.55/28,733.34 = 5,304.55/x
  3. Step 3: Cross multiply
    19,155.55x = 28,733.34 × 5,304.55
  4. Step 4: Simplify right side
    19,155.55x = 152,417,438.70
  5. Step 5: Solve for x
    x = 152,417,438.70/19,155.55
  6. Step 6: Final answer
    x = 7,956.83

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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.