Home / 25,155.08-37,725.86-11,981.24

Finding the Fourth Proportional to 25,155.08, 37,725.86 and 11,981.24

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Solution

The fourth proportional to 25,155.08, 37,725.86 and 11,981.24 is: 17,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.08 : 37,725.86 = 11,981.24 : x
  2. Step 2: Convert to fraction form
    25,155.08/37,725.86 = 11,981.24/x
  3. Step 3: Cross multiply
    25,155.08x = 37,725.86 × 11,981.24
  4. Step 4: Simplify right side
    25,155.08x = 452,002,582.87
  5. Step 5: Solve for x
    x = 452,002,582.87/25,155.08
  6. Step 6: Final answer
    x = 17,968.64

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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.