Home / 18,133.20-25,035.24-14,783.91

Finding the Fourth Proportional to 18,133.20, 25,035.24 and 14,783.91

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Solution

The fourth proportional to 18,133.20, 25,035.24 and 14,783.91 is: 20,411.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.20 : 25,035.24 = 14,783.91 : x
  2. Step 2: Convert to fraction form
    18,133.20/25,035.24 = 14,783.91/x
  3. Step 3: Cross multiply
    18,133.20x = 25,035.24 × 14,783.91
  4. Step 4: Simplify right side
    18,133.20x = 370,118,734.99
  5. Step 5: Solve for x
    x = 370,118,734.99/18,133.20
  6. Step 6: Final answer
    x = 20,411.11

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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.