Home / 18,173.27-25,075.43-10,618.13

Finding the Fourth Proportional to 18,173.27, 25,075.43 and 10,618.13

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Solution

The fourth proportional to 18,173.27, 25,075.43 and 10,618.13 is: 14,650.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.27 : 25,075.43 = 10,618.13 : x
  2. Step 2: Convert to fraction form
    18,173.27/25,075.43 = 10,618.13/x
  3. Step 3: Cross multiply
    18,173.27x = 25,075.43 × 10,618.13
  4. Step 4: Simplify right side
    18,173.27x = 266,254,122.46
  5. Step 5: Solve for x
    x = 266,254,122.46/18,173.27
  6. Step 6: Final answer
    x = 14,650.87

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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.