Home / 18,580.07-25,620.95-14,331.82

Finding the Fourth Proportional to 18,580.07, 25,620.95 and 14,331.82

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Solution

The fourth proportional to 18,580.07, 25,620.95 and 14,331.82 is: 19,762.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.07 : 25,620.95 = 14,331.82 : x
  2. Step 2: Convert to fraction form
    18,580.07/25,620.95 = 14,331.82/x
  3. Step 3: Cross multiply
    18,580.07x = 25,620.95 × 14,331.82
  4. Step 4: Simplify right side
    18,580.07x = 367,194,643.87
  5. Step 5: Solve for x
    x = 367,194,643.87/18,580.07
  6. Step 6: Final answer
    x = 19,762.83

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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.