Home / 55,954.76-83,931.32-13,835.30

Finding the Fourth Proportional to 55,954.76, 83,931.32 and 13,835.30

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Solution

The fourth proportional to 55,954.76, 83,931.32 and 13,835.30 is: 20,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,954.76 : 83,931.32 = 13,835.30 : x
  2. Step 2: Convert to fraction form
    55,954.76/83,931.32 = 13,835.30/x
  3. Step 3: Cross multiply
    55,954.76x = 83,931.32 × 13,835.30
  4. Step 4: Simplify right side
    55,954.76x = 1,161,214,991.60
  5. Step 5: Solve for x
    x = 1,161,214,991.60/55,954.76
  6. Step 6: Final answer
    x = 20,752.75

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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.