Home / 19,984.34-27,378.14-19,236.51

Finding the Fourth Proportional to 19,984.34, 27,378.14 and 19,236.51

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Solution

The fourth proportional to 19,984.34, 27,378.14 and 19,236.51 is: 26,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.34 : 27,378.14 = 19,236.51 : x
  2. Step 2: Convert to fraction form
    19,984.34/27,378.14 = 19,236.51/x
  3. Step 3: Cross multiply
    19,984.34x = 27,378.14 × 19,236.51
  4. Step 4: Simplify right side
    19,984.34x = 526,659,767.71
  5. Step 5: Solve for x
    x = 526,659,767.71/19,984.34
  6. Step 6: Final answer
    x = 26,353.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.