Home / 25,871.47-38,812.15-8,336.59

Finding the Fourth Proportional to 25,871.47, 38,812.15 and 8,336.59

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Solution

The fourth proportional to 25,871.47, 38,812.15 and 8,336.59 is: 12,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,871.47 : 38,812.15 = 8,336.59 : x
  2. Step 2: Convert to fraction form
    25,871.47/38,812.15 = 8,336.59/x
  3. Step 3: Cross multiply
    25,871.47x = 38,812.15 × 8,336.59
  4. Step 4: Simplify right side
    25,871.47x = 323,560,787.51
  5. Step 5: Solve for x
    x = 323,560,787.51/25,871.47
  6. Step 6: Final answer
    x = 12,506.47

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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.