Home / 28,245.79-42,342.53-10,466.55

Finding the Fourth Proportional to 28,245.79, 42,342.53 and 10,466.55

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Solution

The fourth proportional to 28,245.79, 42,342.53 and 10,466.55 is: 15,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245.79 : 42,342.53 = 10,466.55 : x
  2. Step 2: Convert to fraction form
    28,245.79/42,342.53 = 10,466.55/x
  3. Step 3: Cross multiply
    28,245.79x = 42,342.53 × 10,466.55
  4. Step 4: Simplify right side
    28,245.79x = 443,180,207.37
  5. Step 5: Solve for x
    x = 443,180,207.37/28,245.79
  6. Step 6: Final answer
    x = 15,690.13

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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.