Home / 18,222.80-25,117.92-14,236.96

Finding the Fourth Proportional to 18,222.80, 25,117.92 and 14,236.96

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Solution

The fourth proportional to 18,222.80, 25,117.92 and 14,236.96 is: 19,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.80 : 25,117.92 = 14,236.96 : x
  2. Step 2: Convert to fraction form
    18,222.80/25,117.92 = 14,236.96/x
  3. Step 3: Cross multiply
    18,222.80x = 25,117.92 × 14,236.96
  4. Step 4: Simplify right side
    18,222.80x = 357,602,822.32
  5. Step 5: Solve for x
    x = 357,602,822.32/18,222.80
  6. Step 6: Final answer
    x = 19,623.92

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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.