Home / 17,021.40-23,479.95-10,213.66

Finding the Fourth Proportional to 17,021.40, 23,479.95 and 10,213.66

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Solution

The fourth proportional to 17,021.40, 23,479.95 and 10,213.66 is: 14,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021.40 : 23,479.95 = 10,213.66 : x
  2. Step 2: Convert to fraction form
    17,021.40/23,479.95 = 10,213.66/x
  3. Step 3: Cross multiply
    17,021.40x = 23,479.95 × 10,213.66
  4. Step 4: Simplify right side
    17,021.40x = 239,816,226.12
  5. Step 5: Solve for x
    x = 239,816,226.12/17,021.40
  6. Step 6: Final answer
    x = 14,089.10

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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.