Home / 18,303.23-25,258.53-11,581.85

Finding the Fourth Proportional to 18,303.23, 25,258.53 and 11,581.85

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Solution

The fourth proportional to 18,303.23, 25,258.53 and 11,581.85 is: 15,983.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.23 : 25,258.53 = 11,581.85 : x
  2. Step 2: Convert to fraction form
    18,303.23/25,258.53 = 11,581.85/x
  3. Step 3: Cross multiply
    18,303.23x = 25,258.53 × 11,581.85
  4. Step 4: Simplify right side
    18,303.23x = 292,540,612.26
  5. Step 5: Solve for x
    x = 292,540,612.26/18,303.23
  6. Step 6: Final answer
    x = 15,983.00

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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.