Home / 15,166.04-20,923.11-9,195.53

Finding the Fourth Proportional to 15,166.04, 20,923.11 and 9,195.53

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Solution

The fourth proportional to 15,166.04, 20,923.11 and 9,195.53 is: 12,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.04 : 20,923.11 = 9,195.53 : x
  2. Step 2: Convert to fraction form
    15,166.04/20,923.11 = 9,195.53/x
  3. Step 3: Cross multiply
    15,166.04x = 20,923.11 × 9,195.53
  4. Step 4: Simplify right side
    15,166.04x = 192,398,981.08
  5. Step 5: Solve for x
    x = 192,398,981.08/15,166.04
  6. Step 6: Final answer
    x = 12,686.18

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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.