Home / 14,067.12-19,378.80-13,056.24

Finding the Fourth Proportional to 14,067.12, 19,378.80 and 13,056.24

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Solution

The fourth proportional to 14,067.12, 19,378.80 and 13,056.24 is: 17,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.12 : 19,378.80 = 13,056.24 : x
  2. Step 2: Convert to fraction form
    14,067.12/19,378.80 = 13,056.24/x
  3. Step 3: Cross multiply
    14,067.12x = 19,378.80 × 13,056.24
  4. Step 4: Simplify right side
    14,067.12x = 253,014,263.71
  5. Step 5: Solve for x
    x = 253,014,263.71/14,067.12
  6. Step 6: Final answer
    x = 17,986.22

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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.