Home / 19,270.35-28,905.53-14,890.95

Finding the Fourth Proportional to 19,270.35, 28,905.53 and 14,890.95

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Solution

The fourth proportional to 19,270.35, 28,905.53 and 14,890.95 is: 22,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.35 : 28,905.53 = 14,890.95 : x
  2. Step 2: Convert to fraction form
    19,270.35/28,905.53 = 14,890.95/x
  3. Step 3: Cross multiply
    19,270.35x = 28,905.53 × 14,890.95
  4. Step 4: Simplify right side
    19,270.35x = 430,430,727.50
  5. Step 5: Solve for x
    x = 430,430,727.50/19,270.35
  6. Step 6: Final answer
    x = 22,336.43

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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.