Home / 15,987.61-23,933.58-11,535.24

Finding the Fourth Proportional to 15,987.61, 23,933.58 and 11,535.24

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Solution

The fourth proportional to 15,987.61, 23,933.58 and 11,535.24 is: 17,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.61 : 23,933.58 = 11,535.24 : x
  2. Step 2: Convert to fraction form
    15,987.61/23,933.58 = 11,535.24/x
  3. Step 3: Cross multiply
    15,987.61x = 23,933.58 × 11,535.24
  4. Step 4: Simplify right side
    15,987.61x = 276,079,635.85
  5. Step 5: Solve for x
    x = 276,079,635.85/15,987.61
  6. Step 6: Final answer
    x = 17,268.35

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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.