Home / 22,117.47-30,521.65-12,046.09

Finding the Fourth Proportional to 22,117.47, 30,521.65 and 12,046.09

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Solution

The fourth proportional to 22,117.47, 30,521.65 and 12,046.09 is: 16,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.47 : 30,521.65 = 12,046.09 : x
  2. Step 2: Convert to fraction form
    22,117.47/30,521.65 = 12,046.09/x
  3. Step 3: Cross multiply
    22,117.47x = 30,521.65 × 12,046.09
  4. Step 4: Simplify right side
    22,117.47x = 367,666,542.85
  5. Step 5: Solve for x
    x = 367,666,542.85/22,117.47
  6. Step 6: Final answer
    x = 16,623.35

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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.