Home / 17,218.08-23,749.64-10,139.52

Finding the Fourth Proportional to 17,218.08, 23,749.64 and 10,139.52

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Solution

The fourth proportional to 17,218.08, 23,749.64 and 10,139.52 is: 13,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.08 : 23,749.64 = 10,139.52 : x
  2. Step 2: Convert to fraction form
    17,218.08/23,749.64 = 10,139.52/x
  3. Step 3: Cross multiply
    17,218.08x = 23,749.64 × 10,139.52
  4. Step 4: Simplify right side
    17,218.08x = 240,809,949.77
  5. Step 5: Solve for x
    x = 240,809,949.77/17,218.08
  6. Step 6: Final answer
    x = 13,985.88

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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.