Home / 15,370.81-23,067.16-11,864.32

Finding the Fourth Proportional to 15,370.81, 23,067.16 and 11,864.32

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Solution

The fourth proportional to 15,370.81, 23,067.16 and 11,864.32 is: 17,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370.81 : 23,067.16 = 11,864.32 : x
  2. Step 2: Convert to fraction form
    15,370.81/23,067.16 = 11,864.32/x
  3. Step 3: Cross multiply
    15,370.81x = 23,067.16 × 11,864.32
  4. Step 4: Simplify right side
    15,370.81x = 273,676,080.40
  5. Step 5: Solve for x
    x = 273,676,080.40/15,370.81
  6. Step 6: Final answer
    x = 17,804.93

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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.