Home / 18,840.52-25,999.14-10,456.84

Finding the Fourth Proportional to 18,840.52, 25,999.14 and 10,456.84

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Solution

The fourth proportional to 18,840.52, 25,999.14 and 10,456.84 is: 14,430.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.52 : 25,999.14 = 10,456.84 : x
  2. Step 2: Convert to fraction form
    18,840.52/25,999.14 = 10,456.84/x
  3. Step 3: Cross multiply
    18,840.52x = 25,999.14 × 10,456.84
  4. Step 4: Simplify right side
    18,840.52x = 271,868,847.12
  5. Step 5: Solve for x
    x = 271,868,847.12/18,840.52
  6. Step 6: Final answer
    x = 14,430.01

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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.