Home / 18,140.42-25,033.53-10,182.50

Finding the Fourth Proportional to 18,140.42, 25,033.53 and 10,182.50

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Solution

The fourth proportional to 18,140.42, 25,033.53 and 10,182.50 is: 14,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.42 : 25,033.53 = 10,182.50 : x
  2. Step 2: Convert to fraction form
    18,140.42/25,033.53 = 10,182.50/x
  3. Step 3: Cross multiply
    18,140.42x = 25,033.53 × 10,182.50
  4. Step 4: Simplify right side
    18,140.42x = 254,903,919.23
  5. Step 5: Solve for x
    x = 254,903,919.23/18,140.42
  6. Step 6: Final answer
    x = 14,051.71

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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.