Home / 35,765.28-53,611.20-13,569.12

Finding the Fourth Proportional to 35,765.28, 53,611.20 and 13,569.12

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Solution

The fourth proportional to 35,765.28, 53,611.20 and 13,569.12 is: 20,339.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,765.28 : 53,611.20 = 13,569.12 : x
  2. Step 2: Convert to fraction form
    35,765.28/53,611.20 = 13,569.12/x
  3. Step 3: Cross multiply
    35,765.28x = 53,611.20 × 13,569.12
  4. Step 4: Simplify right side
    35,765.28x = 727,456,806.14
  5. Step 5: Solve for x
    x = 727,456,806.14/35,765.28
  6. Step 6: Final answer
    x = 20,339.75

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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.