Home / 17,055.76-23,521.53-13,423.36

Finding the Fourth Proportional to 17,055.76, 23,521.53 and 13,423.36

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Solution

The fourth proportional to 17,055.76, 23,521.53 and 13,423.36 is: 18,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,055.76 : 23,521.53 = 13,423.36 : x
  2. Step 2: Convert to fraction form
    17,055.76/23,521.53 = 13,423.36/x
  3. Step 3: Cross multiply
    17,055.76x = 23,521.53 × 13,423.36
  4. Step 4: Simplify right side
    17,055.76x = 315,737,964.94
  5. Step 5: Solve for x
    x = 315,737,964.94/17,055.76
  6. Step 6: Final answer
    x = 18,512.10

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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.