Home / 18,565.56-25,630.43-14,338.50

Finding the Fourth Proportional to 18,565.56, 25,630.43 and 14,338.50

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Solution

The fourth proportional to 18,565.56, 25,630.43 and 14,338.50 is: 19,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.56 : 25,630.43 = 14,338.50 : x
  2. Step 2: Convert to fraction form
    18,565.56/25,630.43 = 14,338.50/x
  3. Step 3: Cross multiply
    18,565.56x = 25,630.43 × 14,338.50
  4. Step 4: Simplify right side
    18,565.56x = 367,501,752.75
  5. Step 5: Solve for x
    x = 367,501,752.75/18,565.56
  6. Step 6: Final answer
    x = 19,794.81

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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.