Home / 25,530.93-35,231.54-14,774.09

Finding the Fourth Proportional to 25,530.93, 35,231.54 and 14,774.09

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Solution

The fourth proportional to 25,530.93, 35,231.54 and 14,774.09 is: 20,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.93 : 35,231.54 = 14,774.09 : x
  2. Step 2: Convert to fraction form
    25,530.93/35,231.54 = 14,774.09/x
  3. Step 3: Cross multiply
    25,530.93x = 35,231.54 × 14,774.09
  4. Step 4: Simplify right side
    25,530.93x = 520,513,942.80
  5. Step 5: Solve for x
    x = 520,513,942.80/25,530.93
  6. Step 6: Final answer
    x = 20,387.59

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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.