Home / 38,903.35-58,364.27-12,608.11

Finding the Fourth Proportional to 38,903.35, 58,364.27 and 12,608.11

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Solution

The fourth proportional to 38,903.35, 58,364.27 and 12,608.11 is: 18,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,903.35 : 58,364.27 = 12,608.11 : x
  2. Step 2: Convert to fraction form
    38,903.35/58,364.27 = 12,608.11/x
  3. Step 3: Cross multiply
    38,903.35x = 58,364.27 × 12,608.11
  4. Step 4: Simplify right side
    38,903.35x = 735,863,136.23
  5. Step 5: Solve for x
    x = 735,863,136.23/38,903.35
  6. Step 6: Final answer
    x = 18,915.16

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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.