Home / 25,274.95-34,878.14-15,201.45

Finding the Fourth Proportional to 25,274.95, 34,878.14 and 15,201.45

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Solution

The fourth proportional to 25,274.95, 34,878.14 and 15,201.45 is: 20,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,274.95 : 34,878.14 = 15,201.45 : x
  2. Step 2: Convert to fraction form
    25,274.95/34,878.14 = 15,201.45/x
  3. Step 3: Cross multiply
    25,274.95x = 34,878.14 × 15,201.45
  4. Step 4: Simplify right side
    25,274.95x = 530,198,225.30
  5. Step 5: Solve for x
    x = 530,198,225.30/25,274.95
  6. Step 6: Final answer
    x = 20,977.23

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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.