Home / 15,198.04-20,972.75-9,535.84

Finding the Fourth Proportional to 15,198.04, 20,972.75 and 9,535.84

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Solution

The fourth proportional to 15,198.04, 20,972.75 and 9,535.84 is: 13,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,198.04 : 20,972.75 = 9,535.84 : x
  2. Step 2: Convert to fraction form
    15,198.04/20,972.75 = 9,535.84/x
  3. Step 3: Cross multiply
    15,198.04x = 20,972.75 × 9,535.84
  4. Step 4: Simplify right side
    15,198.04x = 199,992,688.25
  5. Step 5: Solve for x
    x = 199,992,688.25/15,198.04
  6. Step 6: Final answer
    x = 13,159.11

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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.