Home / 25,815.42-38,725.44-10,020.08

Finding the Fourth Proportional to 25,815.42, 38,725.44 and 10,020.08

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Solution

The fourth proportional to 25,815.42, 38,725.44 and 10,020.08 is: 15,031.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.42 : 38,725.44 = 10,020.08 : x
  2. Step 2: Convert to fraction form
    25,815.42/38,725.44 = 10,020.08/x
  3. Step 3: Cross multiply
    25,815.42x = 38,725.44 × 10,020.08
  4. Step 4: Simplify right side
    25,815.42x = 388,032,006.84
  5. Step 5: Solve for x
    x = 388,032,006.84/25,815.42
  6. Step 6: Final answer
    x = 15,031.02

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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.