Home / 14,640.37-20,203.70-7,925.99

Finding the Fourth Proportional to 14,640.37, 20,203.70 and 7,925.99

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Solution

The fourth proportional to 14,640.37, 20,203.70 and 7,925.99 is: 10,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.37 : 20,203.70 = 7,925.99 : x
  2. Step 2: Convert to fraction form
    14,640.37/20,203.70 = 7,925.99/x
  3. Step 3: Cross multiply
    14,640.37x = 20,203.70 × 7,925.99
  4. Step 4: Simplify right side
    14,640.37x = 160,134,394.49
  5. Step 5: Solve for x
    x = 160,134,394.49/14,640.37
  6. Step 6: Final answer
    x = 10,937.87

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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.