Home / 14,707.45-20,286.01-9,670.06

Finding the Fourth Proportional to 14,707.45, 20,286.01 and 9,670.06

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Solution

The fourth proportional to 14,707.45, 20,286.01 and 9,670.06 is: 13,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.45 : 20,286.01 = 9,670.06 : x
  2. Step 2: Convert to fraction form
    14,707.45/20,286.01 = 9,670.06/x
  3. Step 3: Cross multiply
    14,707.45x = 20,286.01 × 9,670.06
  4. Step 4: Simplify right side
    14,707.45x = 196,166,933.86
  5. Step 5: Solve for x
    x = 196,166,933.86/14,707.45
  6. Step 6: Final answer
    x = 13,337.93

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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.