Home / 55,268.06-82,902.90-13,715.06

Finding the Fourth Proportional to 55,268.06, 82,902.90 and 13,715.06

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Solution

The fourth proportional to 55,268.06, 82,902.90 and 13,715.06 is: 20,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,268.06 : 82,902.90 = 13,715.06 : x
  2. Step 2: Convert to fraction form
    55,268.06/82,902.90 = 13,715.06/x
  3. Step 3: Cross multiply
    55,268.06x = 82,902.90 × 13,715.06
  4. Step 4: Simplify right side
    55,268.06x = 1,137,018,247.67
  5. Step 5: Solve for x
    x = 1,137,018,247.67/55,268.06
  6. Step 6: Final answer
    x = 20,572.79

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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.