Home / 28,518.67-39,314.59-19,551.97

Finding the Fourth Proportional to 28,518.67, 39,314.59 and 19,551.97

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Solution

The fourth proportional to 28,518.67, 39,314.59 and 19,551.97 is: 26,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518.67 : 39,314.59 = 19,551.97 : x
  2. Step 2: Convert to fraction form
    28,518.67/39,314.59 = 19,551.97/x
  3. Step 3: Cross multiply
    28,518.67x = 39,314.59 × 19,551.97
  4. Step 4: Simplify right side
    28,518.67x = 768,677,684.24
  5. Step 5: Solve for x
    x = 768,677,684.24/28,518.67
  6. Step 6: Final answer
    x = 26,953.49

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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.