Home / 19,242.96-26,559.71-11,287.74

Finding the Fourth Proportional to 19,242.96, 26,559.71 and 11,287.74

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Solution

The fourth proportional to 19,242.96, 26,559.71 and 11,287.74 is: 15,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.96 : 26,559.71 = 11,287.74 : x
  2. Step 2: Convert to fraction form
    19,242.96/26,559.71 = 11,287.74/x
  3. Step 3: Cross multiply
    19,242.96x = 26,559.71 × 11,287.74
  4. Step 4: Simplify right side
    19,242.96x = 299,799,100.96
  5. Step 5: Solve for x
    x = 299,799,100.96/19,242.96
  6. Step 6: Final answer
    x = 15,579.68

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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.