Home / 28,525.08-39,359.16-18,466.32

Finding the Fourth Proportional to 28,525.08, 39,359.16 and 18,466.32

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Solution

The fourth proportional to 28,525.08, 39,359.16 and 18,466.32 is: 25,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.08 : 39,359.16 = 18,466.32 : x
  2. Step 2: Convert to fraction form
    28,525.08/39,359.16 = 18,466.32/x
  3. Step 3: Cross multiply
    28,525.08x = 39,359.16 × 18,466.32
  4. Step 4: Simplify right side
    28,525.08x = 726,818,843.49
  5. Step 5: Solve for x
    x = 726,818,843.49/28,525.08
  6. Step 6: Final answer
    x = 25,479.99

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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.