Home / 14,707.34-20,289.38-8,735.62

Finding the Fourth Proportional to 14,707.34, 20,289.38 and 8,735.62

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Solution

The fourth proportional to 14,707.34, 20,289.38 and 8,735.62 is: 12,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.34 : 20,289.38 = 8,735.62 : x
  2. Step 2: Convert to fraction form
    14,707.34/20,289.38 = 8,735.62/x
  3. Step 3: Cross multiply
    14,707.34x = 20,289.38 × 8,735.62
  4. Step 4: Simplify right side
    14,707.34x = 177,240,313.72
  5. Step 5: Solve for x
    x = 177,240,313.72/14,707.34
  6. Step 6: Final answer
    x = 12,051.15

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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.