Home / 14,410.54-19,886.28-8,122.92

Finding the Fourth Proportional to 14,410.54, 19,886.28 and 8,122.92

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Solution

The fourth proportional to 14,410.54, 19,886.28 and 8,122.92 is: 11,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.54 : 19,886.28 = 8,122.92 : x
  2. Step 2: Convert to fraction form
    14,410.54/19,886.28 = 8,122.92/x
  3. Step 3: Cross multiply
    14,410.54x = 19,886.28 × 8,122.92
  4. Step 4: Simplify right side
    14,410.54x = 161,534,661.54
  5. Step 5: Solve for x
    x = 161,534,661.54/14,410.54
  6. Step 6: Final answer
    x = 11,209.48

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Double scale
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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.