Home / 15,065.82-20,788.28-10,037.54

Finding the Fourth Proportional to 15,065.82, 20,788.28 and 10,037.54

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Solution

The fourth proportional to 15,065.82, 20,788.28 and 10,037.54 is: 13,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065.82 : 20,788.28 = 10,037.54 : x
  2. Step 2: Convert to fraction form
    15,065.82/20,788.28 = 10,037.54/x
  3. Step 3: Cross multiply
    15,065.82x = 20,788.28 × 10,037.54
  4. Step 4: Simplify right side
    15,065.82x = 208,663,192.03
  5. Step 5: Solve for x
    x = 208,663,192.03/15,065.82
  6. Step 6: Final answer
    x = 13,850.11

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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.