Home / 14,347.68-19,799.84-7,974.32

Finding the Fourth Proportional to 14,347.68, 19,799.84 and 7,974.32

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Solution

The fourth proportional to 14,347.68, 19,799.84 and 7,974.32 is: 11,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.68 : 19,799.84 = 7,974.32 : x
  2. Step 2: Convert to fraction form
    14,347.68/19,799.84 = 7,974.32/x
  3. Step 3: Cross multiply
    14,347.68x = 19,799.84 × 7,974.32
  4. Step 4: Simplify right side
    14,347.68x = 157,890,260.11
  5. Step 5: Solve for x
    x = 157,890,260.11/14,347.68
  6. Step 6: Final answer
    x = 11,004.58

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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.