Home / 14,051.51-21,076.76-3,521.61

Finding the Fourth Proportional to 14,051.51, 21,076.76 and 3,521.61

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Solution

The fourth proportional to 14,051.51, 21,076.76 and 3,521.61 is: 5,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.51 : 21,076.76 = 3,521.61 : x
  2. Step 2: Convert to fraction form
    14,051.51/21,076.76 = 3,521.61/x
  3. Step 3: Cross multiply
    14,051.51x = 21,076.76 × 3,521.61
  4. Step 4: Simplify right side
    14,051.51x = 74,224,117.78
  5. Step 5: Solve for x
    x = 74,224,117.78/14,051.51
  6. Step 6: Final answer
    x = 5,282.29

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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.