Home / 28,225.53-42,305.09-11,577.33

Finding the Fourth Proportional to 28,225.53, 42,305.09 and 11,577.33

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Solution

The fourth proportional to 28,225.53, 42,305.09 and 11,577.33 is: 17,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.53 : 42,305.09 = 11,577.33 : x
  2. Step 2: Convert to fraction form
    28,225.53/42,305.09 = 11,577.33/x
  3. Step 3: Cross multiply
    28,225.53x = 42,305.09 × 11,577.33
  4. Step 4: Simplify right side
    28,225.53x = 489,779,929.72
  5. Step 5: Solve for x
    x = 489,779,929.72/28,225.53
  6. Step 6: Final answer
    x = 17,352.37

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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.