Home / 17,011.30-25,519.69-7,153.40

Finding the Fourth Proportional to 17,011.30, 25,519.69 and 7,153.40

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Solution

The fourth proportional to 17,011.30, 25,519.69 and 7,153.40 is: 10,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,011.30 : 25,519.69 = 7,153.40 : x
  2. Step 2: Convert to fraction form
    17,011.30/25,519.69 = 7,153.40/x
  3. Step 3: Cross multiply
    17,011.30x = 25,519.69 × 7,153.40
  4. Step 4: Simplify right side
    17,011.30x = 182,552,550.45
  5. Step 5: Solve for x
    x = 182,552,550.45/17,011.30
  6. Step 6: Final answer
    x = 10,731.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.