Home / 28,630.54-39,496.55-19,074.87

Finding the Fourth Proportional to 28,630.54, 39,496.55 and 19,074.87

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Solution

The fourth proportional to 28,630.54, 39,496.55 and 19,074.87 is: 26,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,630.54 : 39,496.55 = 19,074.87 : x
  2. Step 2: Convert to fraction form
    28,630.54/39,496.55 = 19,074.87/x
  3. Step 3: Cross multiply
    28,630.54x = 39,496.55 × 19,074.87
  4. Step 4: Simplify right side
    28,630.54x = 753,391,461.32
  5. Step 5: Solve for x
    x = 753,391,461.32/28,630.54
  6. Step 6: Final answer
    x = 26,314.26

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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.