Home / 18,258.87-25,192.96-11,088.58

Finding the Fourth Proportional to 18,258.87, 25,192.96 and 11,088.58

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Solution

The fourth proportional to 18,258.87, 25,192.96 and 11,088.58 is: 15,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.87 : 25,192.96 = 11,088.58 : x
  2. Step 2: Convert to fraction form
    18,258.87/25,192.96 = 11,088.58/x
  3. Step 3: Cross multiply
    18,258.87x = 25,192.96 × 11,088.58
  4. Step 4: Simplify right side
    18,258.87x = 279,354,152.40
  5. Step 5: Solve for x
    x = 279,354,152.40/18,258.87
  6. Step 6: Final answer
    x = 15,299.64

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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.