Home / 27,276.60-37,626.35-17,187.69

Finding the Fourth Proportional to 27,276.60, 37,626.35 and 17,187.69

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Solution

The fourth proportional to 27,276.60, 37,626.35 and 17,187.69 is: 23,709.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.60 : 37,626.35 = 17,187.69 : x
  2. Step 2: Convert to fraction form
    27,276.60/37,626.35 = 17,187.69/x
  3. Step 3: Cross multiply
    27,276.60x = 37,626.35 × 17,187.69
  4. Step 4: Simplify right side
    27,276.60x = 646,710,039.63
  5. Step 5: Solve for x
    x = 646,710,039.63/27,276.60
  6. Step 6: Final answer
    x = 23,709.33

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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.