Home / 13,905.06-19,174.59-9,660.93

Finding the Fourth Proportional to 13,905.06, 19,174.59 and 9,660.93

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Solution

The fourth proportional to 13,905.06, 19,174.59 and 9,660.93 is: 13,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905.06 : 19,174.59 = 9,660.93 : x
  2. Step 2: Convert to fraction form
    13,905.06/19,174.59 = 9,660.93/x
  3. Step 3: Cross multiply
    13,905.06x = 19,174.59 × 9,660.93
  4. Step 4: Simplify right side
    13,905.06x = 185,244,371.77
  5. Step 5: Solve for x
    x = 185,244,371.77/13,905.06
  6. Step 6: Final answer
    x = 13,322.08

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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.