Home / 19,078.50-26,328.60-10,695

Finding the Fourth Proportional to 19,078.50, 26,328.60 and 10,695

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Solution

The fourth proportional to 19,078.50, 26,328.60 and 10,695 is: 14,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.50 : 26,328.60 = 10,695 : x
  2. Step 2: Convert to fraction form
    19,078.50/26,328.60 = 10,695/x
  3. Step 3: Cross multiply
    19,078.50x = 26,328.60 × 10,695
  4. Step 4: Simplify right side
    19,078.50x = 281,584,377
  5. Step 5: Solve for x
    x = 281,584,377/19,078.50
  6. Step 6: Final answer
    x = 14,759.25

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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.