Home / 15,466.40-21,342.33-8,750.48

Finding the Fourth Proportional to 15,466.40, 21,342.33 and 8,750.48

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Solution

The fourth proportional to 15,466.40, 21,342.33 and 8,750.48 is: 12,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.40 : 21,342.33 = 8,750.48 : x
  2. Step 2: Convert to fraction form
    15,466.40/21,342.33 = 8,750.48/x
  3. Step 3: Cross multiply
    15,466.40x = 21,342.33 × 8,750.48
  4. Step 4: Simplify right side
    15,466.40x = 186,755,525.11
  5. Step 5: Solve for x
    x = 186,755,525.11/15,466.40
  6. Step 6: Final answer
    x = 12,074.92

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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.