Home / 28,008.18-41,970.96-15,513.12

Finding the Fourth Proportional to 28,008.18, 41,970.96 and 15,513.12

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Solution

The fourth proportional to 28,008.18, 41,970.96 and 15,513.12 is: 23,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,008.18 : 41,970.96 = 15,513.12 : x
  2. Step 2: Convert to fraction form
    28,008.18/41,970.96 = 15,513.12/x
  3. Step 3: Cross multiply
    28,008.18x = 41,970.96 × 15,513.12
  4. Step 4: Simplify right side
    28,008.18x = 651,100,539.00
  5. Step 5: Solve for x
    x = 651,100,539.00/28,008.18
  6. Step 6: Final answer
    x = 23,246.80

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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.