Home / 25,444.69-38,106.70-20,162.72

Finding the Fourth Proportional to 25,444.69, 38,106.70 and 20,162.72

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Solution

The fourth proportional to 25,444.69, 38,106.70 and 20,162.72 is: 30,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,444.69 : 38,106.70 = 20,162.72 : x
  2. Step 2: Convert to fraction form
    25,444.69/38,106.70 = 20,162.72/x
  3. Step 3: Cross multiply
    25,444.69x = 38,106.70 × 20,162.72
  4. Step 4: Simplify right side
    25,444.69x = 768,334,666.15
  5. Step 5: Solve for x
    x = 768,334,666.15/25,444.69
  6. Step 6: Final answer
    x = 30,196.27

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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.