Home / 18,258.73-25,197.13-9,875.23

Finding the Fourth Proportional to 18,258.73, 25,197.13 and 9,875.23

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Solution

The fourth proportional to 18,258.73, 25,197.13 and 9,875.23 is: 13,627.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.73 : 25,197.13 = 9,875.23 : x
  2. Step 2: Convert to fraction form
    18,258.73/25,197.13 = 9,875.23/x
  3. Step 3: Cross multiply
    18,258.73x = 25,197.13 × 9,875.23
  4. Step 4: Simplify right side
    18,258.73x = 248,827,454.09
  5. Step 5: Solve for x
    x = 248,827,454.09/18,258.73
  6. Step 6: Final answer
    x = 13,627.86

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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.