Home / 17,011.08-23,473.71-15,757.20

Finding the Fourth Proportional to 17,011.08, 23,473.71 and 15,757.20

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Solution

The fourth proportional to 17,011.08, 23,473.71 and 15,757.20 is: 21,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,011.08 : 23,473.71 = 15,757.20 : x
  2. Step 2: Convert to fraction form
    17,011.08/23,473.71 = 15,757.20/x
  3. Step 3: Cross multiply
    17,011.08x = 23,473.71 × 15,757.20
  4. Step 4: Simplify right side
    17,011.08x = 369,879,943.21
  5. Step 5: Solve for x
    x = 369,879,943.21/17,011.08
  6. Step 6: Final answer
    x = 21,743.47

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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.