Home / 25,509.07-35,202.36-14,178.39

Finding the Fourth Proportional to 25,509.07, 35,202.36 and 14,178.39

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Solution

The fourth proportional to 25,509.07, 35,202.36 and 14,178.39 is: 19,566.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509.07 : 35,202.36 = 14,178.39 : x
  2. Step 2: Convert to fraction form
    25,509.07/35,202.36 = 14,178.39/x
  3. Step 3: Cross multiply
    25,509.07x = 35,202.36 × 14,178.39
  4. Step 4: Simplify right side
    25,509.07x = 499,112,789.00
  5. Step 5: Solve for x
    x = 499,112,789.00/25,509.07
  6. Step 6: Final answer
    x = 19,566.09

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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.