Home / 23,143.95-31,944.24-13,585.95

Finding the Fourth Proportional to 23,143.95, 31,944.24 and 13,585.95

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Solution

The fourth proportional to 23,143.95, 31,944.24 and 13,585.95 is: 18,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.95 : 31,944.24 = 13,585.95 : x
  2. Step 2: Convert to fraction form
    23,143.95/31,944.24 = 13,585.95/x
  3. Step 3: Cross multiply
    23,143.95x = 31,944.24 × 13,585.95
  4. Step 4: Simplify right side
    23,143.95x = 433,992,847.43
  5. Step 5: Solve for x
    x = 433,992,847.43/23,143.95
  6. Step 6: Final answer
    x = 18,751.89

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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.