Home / 13,924.44-19,218.47-7,955.55

Finding the Fourth Proportional to 13,924.44, 19,218.47 and 7,955.55

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Solution

The fourth proportional to 13,924.44, 19,218.47 and 7,955.55 is: 10,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.44 : 19,218.47 = 7,955.55 : x
  2. Step 2: Convert to fraction form
    13,924.44/19,218.47 = 7,955.55/x
  3. Step 3: Cross multiply
    13,924.44x = 19,218.47 × 7,955.55
  4. Step 4: Simplify right side
    13,924.44x = 152,893,459.23
  5. Step 5: Solve for x
    x = 152,893,459.23/13,924.44
  6. Step 6: Final answer
    x = 10,980.22

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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.