Home / 28,647.98-39,534.84-16,712.12

Finding the Fourth Proportional to 28,647.98, 39,534.84 and 16,712.12

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Solution

The fourth proportional to 28,647.98, 39,534.84 and 16,712.12 is: 23,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,647.98 : 39,534.84 = 16,712.12 : x
  2. Step 2: Convert to fraction form
    28,647.98/39,534.84 = 16,712.12/x
  3. Step 3: Cross multiply
    28,647.98x = 39,534.84 × 16,712.12
  4. Step 4: Simplify right side
    28,647.98x = 660,710,792.59
  5. Step 5: Solve for x
    x = 660,710,792.59/28,647.98
  6. Step 6: Final answer
    x = 23,063.09

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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.