Home / 27,898.76-38,530.50-17,313.64

Finding the Fourth Proportional to 27,898.76, 38,530.50 and 17,313.64

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Solution

The fourth proportional to 27,898.76, 38,530.50 and 17,313.64 is: 23,911.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,898.76 : 38,530.50 = 17,313.64 : x
  2. Step 2: Convert to fraction form
    27,898.76/38,530.50 = 17,313.64/x
  3. Step 3: Cross multiply
    27,898.76x = 38,530.50 × 17,313.64
  4. Step 4: Simplify right side
    27,898.76x = 667,103,206.02
  5. Step 5: Solve for x
    x = 667,103,206.02/27,898.76
  6. Step 6: Final answer
    x = 23,911.57

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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.