Home / 19,752.90-27,261.54-11,258.07

Finding the Fourth Proportional to 19,752.90, 27,261.54 and 11,258.07

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Solution

The fourth proportional to 19,752.90, 27,261.54 and 11,258.07 is: 15,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752.90 : 27,261.54 = 11,258.07 : x
  2. Step 2: Convert to fraction form
    19,752.90/27,261.54 = 11,258.07/x
  3. Step 3: Cross multiply
    19,752.90x = 27,261.54 × 11,258.07
  4. Step 4: Simplify right side
    19,752.90x = 306,912,325.63
  5. Step 5: Solve for x
    x = 306,912,325.63/19,752.90
  6. Step 6: Final answer
    x = 15,537.58

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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.