Home / 18,415.01-25,422.35-14,373.18

Finding the Fourth Proportional to 18,415.01, 25,422.35 and 14,373.18

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Solution

The fourth proportional to 18,415.01, 25,422.35 and 14,373.18 is: 19,842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,415.01 : 25,422.35 = 14,373.18 : x
  2. Step 2: Convert to fraction form
    18,415.01/25,422.35 = 14,373.18/x
  3. Step 3: Cross multiply
    18,415.01x = 25,422.35 × 14,373.18
  4. Step 4: Simplify right side
    18,415.01x = 365,399,940.71
  5. Step 5: Solve for x
    x = 365,399,940.71/18,415.01
  6. Step 6: Final answer
    x = 19,842.50

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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.