Home / 17,215.20-23,749.92-10,499.76

Finding the Fourth Proportional to 17,215.20, 23,749.92 and 10,499.76

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Solution

The fourth proportional to 17,215.20, 23,749.92 and 10,499.76 is: 14,485.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.20 : 23,749.92 = 10,499.76 : x
  2. Step 2: Convert to fraction form
    17,215.20/23,749.92 = 10,499.76/x
  3. Step 3: Cross multiply
    17,215.20x = 23,749.92 × 10,499.76
  4. Step 4: Simplify right side
    17,215.20x = 249,368,460.02
  5. Step 5: Solve for x
    x = 249,368,460.02/17,215.20
  6. Step 6: Final answer
    x = 14,485.37

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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.