Home / 13,957.28-19,261.44-7,670.08

Finding the Fourth Proportional to 13,957.28, 19,261.44 and 7,670.08

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Solution

The fourth proportional to 13,957.28, 19,261.44 and 7,670.08 is: 10,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.28 : 19,261.44 = 7,670.08 : x
  2. Step 2: Convert to fraction form
    13,957.28/19,261.44 = 7,670.08/x
  3. Step 3: Cross multiply
    13,957.28x = 19,261.44 × 7,670.08
  4. Step 4: Simplify right side
    13,957.28x = 147,736,785.72
  5. Step 5: Solve for x
    x = 147,736,785.72/13,957.28
  6. Step 6: Final answer
    x = 10,584.93

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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.