Home / 13,922.58-19,210.05-7,952.34

Finding the Fourth Proportional to 13,922.58, 19,210.05 and 7,952.34

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Solution

The fourth proportional to 13,922.58, 19,210.05 and 7,952.34 is: 10,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.58 : 19,210.05 = 7,952.34 : x
  2. Step 2: Convert to fraction form
    13,922.58/19,210.05 = 7,952.34/x
  3. Step 3: Cross multiply
    13,922.58x = 19,210.05 × 7,952.34
  4. Step 4: Simplify right side
    13,922.58x = 152,764,849.02
  5. Step 5: Solve for x
    x = 152,764,849.02/13,922.58
  6. Step 6: Final answer
    x = 10,972.45

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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.