Home / 25,624.89-35,365.86-15,018.75

Finding the Fourth Proportional to 25,624.89, 35,365.86 and 15,018.75

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Solution

The fourth proportional to 25,624.89, 35,365.86 and 15,018.75 is: 20,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,624.89 : 35,365.86 = 15,018.75 : x
  2. Step 2: Convert to fraction form
    25,624.89/35,365.86 = 15,018.75/x
  3. Step 3: Cross multiply
    25,624.89x = 35,365.86 × 15,018.75
  4. Step 4: Simplify right side
    25,624.89x = 531,151,009.88
  5. Step 5: Solve for x
    x = 531,151,009.88/25,624.89
  6. Step 6: Final answer
    x = 20,727.93

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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.