Home / 25,530.81-35,231.83-14,199.72

Finding the Fourth Proportional to 25,530.81, 35,231.83 and 14,199.72

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Solution

The fourth proportional to 25,530.81, 35,231.83 and 14,199.72 is: 19,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.81 : 35,231.83 = 14,199.72 : x
  2. Step 2: Convert to fraction form
    25,530.81/35,231.83 = 14,199.72/x
  3. Step 3: Cross multiply
    25,530.81x = 35,231.83 × 14,199.72
  4. Step 4: Simplify right side
    25,530.81x = 500,282,121.09
  5. Step 5: Solve for x
    x = 500,282,121.09/25,530.81
  6. Step 6: Final answer
    x = 19,595.23

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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.