Home / 35,853.28-53,777.87-13,668.90

Finding the Fourth Proportional to 35,853.28, 53,777.87 and 13,668.90

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Solution

The fourth proportional to 35,853.28, 53,777.87 and 13,668.90 is: 20,502.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,853.28 : 53,777.87 = 13,668.90 : x
  2. Step 2: Convert to fraction form
    35,853.28/53,777.87 = 13,668.90/x
  3. Step 3: Cross multiply
    35,853.28x = 53,777.87 × 13,668.90
  4. Step 4: Simplify right side
    35,853.28x = 735,084,487.88
  5. Step 5: Solve for x
    x = 735,084,487.88/35,853.28
  6. Step 6: Final answer
    x = 20,502.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.