Home / 25,204.45-34,782.27-13,875.09

Finding the Fourth Proportional to 25,204.45, 34,782.27 and 13,875.09

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Solution

The fourth proportional to 25,204.45, 34,782.27 and 13,875.09 is: 19,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,204.45 : 34,782.27 = 13,875.09 : x
  2. Step 2: Convert to fraction form
    25,204.45/34,782.27 = 13,875.09/x
  3. Step 3: Cross multiply
    25,204.45x = 34,782.27 × 13,875.09
  4. Step 4: Simplify right side
    25,204.45x = 482,607,126.65
  5. Step 5: Solve for x
    x = 482,607,126.65/25,204.45
  6. Step 6: Final answer
    x = 19,147.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.