Home / 25,280.99-37,890.73-17,887.58

Finding the Fourth Proportional to 25,280.99, 37,890.73 and 17,887.58

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Solution

The fourth proportional to 25,280.99, 37,890.73 and 17,887.58 is: 26,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.99 : 37,890.73 = 17,887.58 : x
  2. Step 2: Convert to fraction form
    25,280.99/37,890.73 = 17,887.58/x
  3. Step 3: Cross multiply
    25,280.99x = 37,890.73 × 17,887.58
  4. Step 4: Simplify right side
    25,280.99x = 677,773,464.13
  5. Step 5: Solve for x
    x = 677,773,464.13/25,280.99
  6. Step 6: Final answer
    x = 26,809.61

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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.