Home / 15,022.96-20,709.53-11,037.15

Finding the Fourth Proportional to 15,022.96, 20,709.53 and 11,037.15

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Solution

The fourth proportional to 15,022.96, 20,709.53 and 11,037.15 is: 15,214.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,022.96 : 20,709.53 = 11,037.15 : x
  2. Step 2: Convert to fraction form
    15,022.96/20,709.53 = 11,037.15/x
  3. Step 3: Cross multiply
    15,022.96x = 20,709.53 × 11,037.15
  4. Step 4: Simplify right side
    15,022.96x = 228,574,189.04
  5. Step 5: Solve for x
    x = 228,574,189.04/15,022.96
  6. Step 6: Final answer
    x = 15,214.99

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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.