Home / 25,689.03-38,533.43-8,160.23

Finding the Fourth Proportional to 25,689.03, 38,533.43 and 8,160.23

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Solution

The fourth proportional to 25,689.03, 38,533.43 and 8,160.23 is: 12,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.03 : 38,533.43 = 8,160.23 : x
  2. Step 2: Convert to fraction form
    25,689.03/38,533.43 = 8,160.23/x
  3. Step 3: Cross multiply
    25,689.03x = 38,533.43 × 8,160.23
  4. Step 4: Simplify right side
    25,689.03x = 314,441,418.02
  5. Step 5: Solve for x
    x = 314,441,418.02/25,689.03
  6. Step 6: Final answer
    x = 12,240.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.