Home / 18,074.09-26,988.12-15,947.99

Finding the Fourth Proportional to 18,074.09, 26,988.12 and 15,947.99

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Solution

The fourth proportional to 18,074.09, 26,988.12 and 15,947.99 is: 23,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.09 : 26,988.12 = 15,947.99 : x
  2. Step 2: Convert to fraction form
    18,074.09/26,988.12 = 15,947.99/x
  3. Step 3: Cross multiply
    18,074.09x = 26,988.12 × 15,947.99
  4. Step 4: Simplify right side
    18,074.09x = 430,406,188.14
  5. Step 5: Solve for x
    x = 430,406,188.14/18,074.09
  6. Step 6: Final answer
    x = 23,813.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.