Home / 25,507.84-38,260.71-8,871.64

Finding the Fourth Proportional to 25,507.84, 38,260.71 and 8,871.64

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Solution

The fourth proportional to 25,507.84, 38,260.71 and 8,871.64 is: 13,307.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,507.84 : 38,260.71 = 8,871.64 : x
  2. Step 2: Convert to fraction form
    25,507.84/38,260.71 = 8,871.64/x
  3. Step 3: Cross multiply
    25,507.84x = 38,260.71 × 8,871.64
  4. Step 4: Simplify right side
    25,507.84x = 339,435,245.26
  5. Step 5: Solve for x
    x = 339,435,245.26/25,507.84
  6. Step 6: Final answer
    x = 13,307.09

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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.