Home / 18,139.98-25,033.83-10,591.14

Finding the Fourth Proportional to 18,139.98, 25,033.83 and 10,591.14

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Solution

The fourth proportional to 18,139.98, 25,033.83 and 10,591.14 is: 14,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.98 : 25,033.83 = 10,591.14 : x
  2. Step 2: Convert to fraction form
    18,139.98/25,033.83 = 10,591.14/x
  3. Step 3: Cross multiply
    18,139.98x = 25,033.83 × 10,591.14
  4. Step 4: Simplify right side
    18,139.98x = 265,136,798.27
  5. Step 5: Solve for x
    x = 265,136,798.27/18,139.98
  6. Step 6: Final answer
    x = 14,616.16

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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.