Home / 13,935.47-19,230.96-7,967.27

Finding the Fourth Proportional to 13,935.47, 19,230.96 and 7,967.27

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Solution

The fourth proportional to 13,935.47, 19,230.96 and 7,967.27 is: 10,994.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.47 : 19,230.96 = 7,967.27 : x
  2. Step 2: Convert to fraction form
    13,935.47/19,230.96 = 7,967.27/x
  3. Step 3: Cross multiply
    13,935.47x = 19,230.96 × 7,967.27
  4. Step 4: Simplify right side
    13,935.47x = 153,218,154.52
  5. Step 5: Solve for x
    x = 153,218,154.52/13,935.47
  6. Step 6: Final answer
    x = 10,994.84

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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.