Home / 19,127.76-26,394.48-11,169.60

Finding the Fourth Proportional to 19,127.76, 26,394.48 and 11,169.60

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Solution

The fourth proportional to 19,127.76, 26,394.48 and 11,169.60 is: 15,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.76 : 26,394.48 = 11,169.60 : x
  2. Step 2: Convert to fraction form
    19,127.76/26,394.48 = 11,169.60/x
  3. Step 3: Cross multiply
    19,127.76x = 26,394.48 × 11,169.60
  4. Step 4: Simplify right side
    19,127.76x = 294,815,783.81
  5. Step 5: Solve for x
    x = 294,815,783.81/19,127.76
  6. Step 6: Final answer
    x = 15,412.98

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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.