Home / 15,423.74-23,144.83-14,168.95

Finding the Fourth Proportional to 15,423.74, 23,144.83 and 14,168.95

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Solution

The fourth proportional to 15,423.74, 23,144.83 and 14,168.95 is: 21,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.74 : 23,144.83 = 14,168.95 : x
  2. Step 2: Convert to fraction form
    15,423.74/23,144.83 = 14,168.95/x
  3. Step 3: Cross multiply
    15,423.74x = 23,144.83 × 14,168.95
  4. Step 4: Simplify right side
    15,423.74x = 327,937,890.91
  5. Step 5: Solve for x
    x = 327,937,890.91/15,423.74
  6. Step 6: Final answer
    x = 21,261.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.