Home / 18,788.60-25,927.58-10,831.16

Finding the Fourth Proportional to 18,788.60, 25,927.58 and 10,831.16

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Solution

The fourth proportional to 18,788.60, 25,927.58 and 10,831.16 is: 14,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.60 : 25,927.58 = 10,831.16 : x
  2. Step 2: Convert to fraction form
    18,788.60/25,927.58 = 10,831.16/x
  3. Step 3: Cross multiply
    18,788.60x = 25,927.58 × 10,831.16
  4. Step 4: Simplify right side
    18,788.60x = 280,825,767.39
  5. Step 5: Solve for x
    x = 280,825,767.39/18,788.60
  6. Step 6: Final answer
    x = 14,946.60

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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.