Home / 27,037.28-40,564.60-12,998.32

Finding the Fourth Proportional to 27,037.28, 40,564.60 and 12,998.32

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Solution

The fourth proportional to 27,037.28, 40,564.60 and 12,998.32 is: 19,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,037.28 : 40,564.60 = 12,998.32 : x
  2. Step 2: Convert to fraction form
    27,037.28/40,564.60 = 12,998.32/x
  3. Step 3: Cross multiply
    27,037.28x = 40,564.60 × 12,998.32
  4. Step 4: Simplify right side
    27,037.28x = 527,271,651.47
  5. Step 5: Solve for x
    x = 527,271,651.47/27,037.28
  6. Step 6: Final answer
    x = 19,501.65

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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.