Home / 14,171.61-19,557.77-9,383.28

Finding the Fourth Proportional to 14,171.61, 19,557.77 and 9,383.28

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Solution

The fourth proportional to 14,171.61, 19,557.77 and 9,383.28 is: 12,949.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.61 : 19,557.77 = 9,383.28 : x
  2. Step 2: Convert to fraction form
    14,171.61/19,557.77 = 9,383.28/x
  3. Step 3: Cross multiply
    14,171.61x = 19,557.77 × 9,383.28
  4. Step 4: Simplify right side
    14,171.61x = 183,515,985.17
  5. Step 5: Solve for x
    x = 183,515,985.17/14,171.61
  6. Step 6: Final answer
    x = 12,949.55

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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.