Home / 15,835.36-21,843.26-10,457.84

Finding the Fourth Proportional to 15,835.36, 21,843.26 and 10,457.84

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Solution

The fourth proportional to 15,835.36, 21,843.26 and 10,457.84 is: 14,425.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,835.36 : 21,843.26 = 10,457.84 : x
  2. Step 2: Convert to fraction form
    15,835.36/21,843.26 = 10,457.84/x
  3. Step 3: Cross multiply
    15,835.36x = 21,843.26 × 10,457.84
  4. Step 4: Simplify right side
    15,835.36x = 228,433,318.16
  5. Step 5: Solve for x
    x = 228,433,318.16/15,835.36
  6. Step 6: Final answer
    x = 14,425.52

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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.