Home / 22,703.23-31,329.66-12,493.31

Finding the Fourth Proportional to 22,703.23, 31,329.66 and 12,493.31

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Solution

The fourth proportional to 22,703.23, 31,329.66 and 12,493.31 is: 17,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703.23 : 31,329.66 = 12,493.31 : x
  2. Step 2: Convert to fraction form
    22,703.23/31,329.66 = 12,493.31/x
  3. Step 3: Cross multiply
    22,703.23x = 31,329.66 × 12,493.31
  4. Step 4: Simplify right side
    22,703.23x = 391,411,044.78
  5. Step 5: Solve for x
    x = 391,411,044.78/22,703.23
  6. Step 6: Final answer
    x = 17,240.33

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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.