Home / 19,043.35-28,570.86-8,522.23

Finding the Fourth Proportional to 19,043.35, 28,570.86 and 8,522.23

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Solution

The fourth proportional to 19,043.35, 28,570.86 and 8,522.23 is: 12,785.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.35 : 28,570.86 = 8,522.23 : x
  2. Step 2: Convert to fraction form
    19,043.35/28,570.86 = 8,522.23/x
  3. Step 3: Cross multiply
    19,043.35x = 28,570.86 × 8,522.23
  4. Step 4: Simplify right side
    19,043.35x = 243,487,440.22
  5. Step 5: Solve for x
    x = 243,487,440.22/19,043.35
  6. Step 6: Final answer
    x = 12,785.96

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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.