Home / 25,203.45-34,778.72-14,593.76

Finding the Fourth Proportional to 25,203.45, 34,778.72 and 14,593.76

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Solution

The fourth proportional to 25,203.45, 34,778.72 and 14,593.76 is: 20,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,203.45 : 34,778.72 = 14,593.76 : x
  2. Step 2: Convert to fraction form
    25,203.45/34,778.72 = 14,593.76/x
  3. Step 3: Cross multiply
    25,203.45x = 34,778.72 × 14,593.76
  4. Step 4: Simplify right side
    25,203.45x = 507,552,045.92
  5. Step 5: Solve for x
    x = 507,552,045.92/25,203.45
  6. Step 6: Final answer
    x = 20,138.20

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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.