Home / 18,258.60-25,196.73-9,875.10

Finding the Fourth Proportional to 18,258.60, 25,196.73 and 9,875.10

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Solution

The fourth proportional to 18,258.60, 25,196.73 and 9,875.10 is: 13,627.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.60 : 25,196.73 = 9,875.10 : x
  2. Step 2: Convert to fraction form
    18,258.60/25,196.73 = 9,875.10/x
  3. Step 3: Cross multiply
    18,258.60x = 25,196.73 × 9,875.10
  4. Step 4: Simplify right side
    18,258.60x = 248,820,179.05
  5. Step 5: Solve for x
    x = 248,820,179.05/18,258.60
  6. Step 6: Final answer
    x = 13,627.56

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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.