Home / 13,015.76-17,963.16-9,482.36

Finding the Fourth Proportional to 13,015.76, 17,963.16 and 9,482.36

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Solution

The fourth proportional to 13,015.76, 17,963.16 and 9,482.36 is: 13,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.76 : 17,963.16 = 9,482.36 : x
  2. Step 2: Convert to fraction form
    13,015.76/17,963.16 = 9,482.36/x
  3. Step 3: Cross multiply
    13,015.76x = 17,963.16 × 9,482.36
  4. Step 4: Simplify right side
    13,015.76x = 170,333,149.86
  5. Step 5: Solve for x
    x = 170,333,149.86/13,015.76
  6. Step 6: Final answer
    x = 13,086.68

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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.