Home / 14,640.41-20,203.61-7,925.91

Finding the Fourth Proportional to 14,640.41, 20,203.61 and 7,925.91

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Solution

The fourth proportional to 14,640.41, 20,203.61 and 7,925.91 is: 10,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.41 : 20,203.61 = 7,925.91 : x
  2. Step 2: Convert to fraction form
    14,640.41/20,203.61 = 7,925.91/x
  3. Step 3: Cross multiply
    14,640.41x = 20,203.61 × 7,925.91
  4. Step 4: Simplify right side
    14,640.41x = 160,131,954.91
  5. Step 5: Solve for x
    x = 160,131,954.91/14,640.41
  6. Step 6: Final answer
    x = 10,937.67

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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.