Home / 19,287.59-26,628.48-12,584.84

Finding the Fourth Proportional to 19,287.59, 26,628.48 and 12,584.84

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Solution

The fourth proportional to 19,287.59, 26,628.48 and 12,584.84 is: 17,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287.59 : 26,628.48 = 12,584.84 : x
  2. Step 2: Convert to fraction form
    19,287.59/26,628.48 = 12,584.84/x
  3. Step 3: Cross multiply
    19,287.59x = 26,628.48 × 12,584.84
  4. Step 4: Simplify right side
    19,287.59x = 335,115,027.10
  5. Step 5: Solve for x
    x = 335,115,027.10/19,287.59
  6. Step 6: Final answer
    x = 17,374.65

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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.