Home / 16,886.93-23,306.81-11,433.53

Finding the Fourth Proportional to 16,886.93, 23,306.81 and 11,433.53

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Solution

The fourth proportional to 16,886.93, 23,306.81 and 11,433.53 is: 15,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.93 : 23,306.81 = 11,433.53 : x
  2. Step 2: Convert to fraction form
    16,886.93/23,306.81 = 11,433.53/x
  3. Step 3: Cross multiply
    16,886.93x = 23,306.81 × 11,433.53
  4. Step 4: Simplify right side
    16,886.93x = 266,479,025.04
  5. Step 5: Solve for x
    x = 266,479,025.04/16,886.93
  6. Step 6: Final answer
    x = 15,780.19

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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.