Home / 14,999.62-20,707.38-9,697.45

Finding the Fourth Proportional to 14,999.62, 20,707.38 and 9,697.45

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Solution

The fourth proportional to 14,999.62, 20,707.38 and 9,697.45 is: 13,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.62 : 20,707.38 = 9,697.45 : x
  2. Step 2: Convert to fraction form
    14,999.62/20,707.38 = 9,697.45/x
  3. Step 3: Cross multiply
    14,999.62x = 20,707.38 × 9,697.45
  4. Step 4: Simplify right side
    14,999.62x = 200,808,782.18
  5. Step 5: Solve for x
    x = 200,808,782.18/14,999.62
  6. Step 6: Final answer
    x = 13,387.59

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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.