Home / 17,851.52-26,727.84-13,455.68

Finding the Fourth Proportional to 17,851.52, 26,727.84 and 13,455.68

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Solution

The fourth proportional to 17,851.52, 26,727.84 and 13,455.68 is: 20,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,851.52 : 26,727.84 = 13,455.68 : x
  2. Step 2: Convert to fraction form
    17,851.52/26,727.84 = 13,455.68/x
  3. Step 3: Cross multiply
    17,851.52x = 26,727.84 × 13,455.68
  4. Step 4: Simplify right side
    17,851.52x = 359,641,262.13
  5. Step 5: Solve for x
    x = 359,641,262.13/17,851.52
  6. Step 6: Final answer
    x = 20,146.25

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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.