Home / 25,312.94-34,936.44-15,104.64

Finding the Fourth Proportional to 25,312.94, 34,936.44 and 15,104.64

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Solution

The fourth proportional to 25,312.94, 34,936.44 and 15,104.64 is: 20,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312.94 : 34,936.44 = 15,104.64 : x
  2. Step 2: Convert to fraction form
    25,312.94/34,936.44 = 15,104.64/x
  3. Step 3: Cross multiply
    25,312.94x = 34,936.44 × 15,104.64
  4. Step 4: Simplify right side
    25,312.94x = 527,702,349.08
  5. Step 5: Solve for x
    x = 527,702,349.08/25,312.94
  6. Step 6: Final answer
    x = 20,847.14

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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.