Home / 18,840.48-25,999.92-10,457.04

Finding the Fourth Proportional to 18,840.48, 25,999.92 and 10,457.04

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Solution

The fourth proportional to 18,840.48, 25,999.92 and 10,457.04 is: 14,430.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.48 : 25,999.92 = 10,457.04 : x
  2. Step 2: Convert to fraction form
    18,840.48/25,999.92 = 10,457.04/x
  3. Step 3: Cross multiply
    18,840.48x = 25,999.92 × 10,457.04
  4. Step 4: Simplify right side
    18,840.48x = 271,882,203.44
  5. Step 5: Solve for x
    x = 271,882,203.44/18,840.48
  6. Step 6: Final answer
    x = 14,430.75

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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.