Home / 25,276.08-34,874.60-15,201.28

Finding the Fourth Proportional to 25,276.08, 34,874.60 and 15,201.28

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Solution

The fourth proportional to 25,276.08, 34,874.60 and 15,201.28 is: 20,973.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,276.08 : 34,874.60 = 15,201.28 : x
  2. Step 2: Convert to fraction form
    25,276.08/34,874.60 = 15,201.28/x
  3. Step 3: Cross multiply
    25,276.08x = 34,874.60 × 15,201.28
  4. Step 4: Simplify right side
    25,276.08x = 530,138,559.49
  5. Step 5: Solve for x
    x = 530,138,559.49/25,276.08
  6. Step 6: Final answer
    x = 20,973.92

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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.