Home / 19,756.31-27,264.18-11,258.25

Finding the Fourth Proportional to 19,756.31, 27,264.18 and 11,258.25

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Solution

The fourth proportional to 19,756.31, 27,264.18 and 11,258.25 is: 15,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.31 : 27,264.18 = 11,258.25 : x
  2. Step 2: Convert to fraction form
    19,756.31/27,264.18 = 11,258.25/x
  3. Step 3: Cross multiply
    19,756.31x = 27,264.18 × 11,258.25
  4. Step 4: Simplify right side
    19,756.31x = 306,946,968.56
  5. Step 5: Solve for x
    x = 306,946,968.56/19,756.31
  6. Step 6: Final answer
    x = 15,536.65

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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.