Home / 18,297.17-25,258.47-10,742.30

Finding the Fourth Proportional to 18,297.17, 25,258.47 and 10,742.30

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Solution

The fourth proportional to 18,297.17, 25,258.47 and 10,742.30 is: 14,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.17 : 25,258.47 = 10,742.30 : x
  2. Step 2: Convert to fraction form
    18,297.17/25,258.47 = 10,742.30/x
  3. Step 3: Cross multiply
    18,297.17x = 25,258.47 × 10,742.30
  4. Step 4: Simplify right side
    18,297.17x = 271,334,062.28
  5. Step 5: Solve for x
    x = 271,334,062.28/18,297.17
  6. Step 6: Final answer
    x = 14,829.29

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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.