Home / 25,035.72-34,553.16-14,280.64

Finding the Fourth Proportional to 25,035.72, 34,553.16 and 14,280.64

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Solution

The fourth proportional to 25,035.72, 34,553.16 and 14,280.64 is: 19,709.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,035.72 : 34,553.16 = 14,280.64 : x
  2. Step 2: Convert to fraction form
    25,035.72/34,553.16 = 14,280.64/x
  3. Step 3: Cross multiply
    25,035.72x = 34,553.16 × 14,280.64
  4. Step 4: Simplify right side
    25,035.72x = 493,441,238.82
  5. Step 5: Solve for x
    x = 493,441,238.82/25,035.72
  6. Step 6: Final answer
    x = 19,709.49

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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.