Home / 18,557.08-27,831.36-11,062.76

Finding the Fourth Proportional to 18,557.08, 27,831.36 and 11,062.76

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Solution

The fourth proportional to 18,557.08, 27,831.36 and 11,062.76 is: 16,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.08 : 27,831.36 = 11,062.76 : x
  2. Step 2: Convert to fraction form
    18,557.08/27,831.36 = 11,062.76/x
  3. Step 3: Cross multiply
    18,557.08x = 27,831.36 × 11,062.76
  4. Step 4: Simplify right side
    18,557.08x = 307,891,652.81
  5. Step 5: Solve for x
    x = 307,891,652.81/18,557.08
  6. Step 6: Final answer
    x = 16,591.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.