Home / 14,383.64-19,855.56-9,670.66

Finding the Fourth Proportional to 14,383.64, 19,855.56 and 9,670.66

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Solution

The fourth proportional to 14,383.64, 19,855.56 and 9,670.66 is: 13,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.64 : 19,855.56 = 9,670.66 : x
  2. Step 2: Convert to fraction form
    14,383.64/19,855.56 = 9,670.66/x
  3. Step 3: Cross multiply
    14,383.64x = 19,855.56 × 9,670.66
  4. Step 4: Simplify right side
    14,383.64x = 192,016,356.50
  5. Step 5: Solve for x
    x = 192,016,356.50/14,383.64
  6. Step 6: Final answer
    x = 13,349.63

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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.