Home / 15,466.48-21,343.74-8,751.96

Finding the Fourth Proportional to 15,466.48, 21,343.74 and 8,751.96

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Solution

The fourth proportional to 15,466.48, 21,343.74 and 8,751.96 is: 12,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.48 : 21,343.74 = 8,751.96 : x
  2. Step 2: Convert to fraction form
    15,466.48/21,343.74 = 8,751.96/x
  3. Step 3: Cross multiply
    15,466.48x = 21,343.74 × 8,751.96
  4. Step 4: Simplify right side
    15,466.48x = 186,799,558.73
  5. Step 5: Solve for x
    x = 186,799,558.73/15,466.48
  6. Step 6: Final answer
    x = 12,077.70

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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.