Home / 18,205.30-25,117.25-14,842.32

Finding the Fourth Proportional to 18,205.30, 25,117.25 and 14,842.32

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Solution

The fourth proportional to 18,205.30, 25,117.25 and 14,842.32 is: 20,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.30 : 25,117.25 = 14,842.32 : x
  2. Step 2: Convert to fraction form
    18,205.30/25,117.25 = 14,842.32/x
  3. Step 3: Cross multiply
    18,205.30x = 25,117.25 × 14,842.32
  4. Step 4: Simplify right side
    18,205.30x = 372,798,262.02
  5. Step 5: Solve for x
    x = 372,798,262.02/18,205.30
  6. Step 6: Final answer
    x = 20,477.46

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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.