Home / 18,599.21-28,026.67-15,384.32

Finding the Fourth Proportional to 18,599.21, 28,026.67 and 15,384.32

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Solution

The fourth proportional to 18,599.21, 28,026.67 and 15,384.32 is: 23,182.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.21 : 28,026.67 = 15,384.32 : x
  2. Step 2: Convert to fraction form
    18,599.21/28,026.67 = 15,384.32/x
  3. Step 3: Cross multiply
    18,599.21x = 28,026.67 × 15,384.32
  4. Step 4: Simplify right side
    18,599.21x = 431,171,081.22
  5. Step 5: Solve for x
    x = 431,171,081.22/18,599.21
  6. Step 6: Final answer
    x = 23,182.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.