Home / 22,633.33-31,233.40-12,561.51

Finding the Fourth Proportional to 22,633.33, 31,233.40 and 12,561.51

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Solution

The fourth proportional to 22,633.33, 31,233.40 and 12,561.51 is: 17,334.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,633.33 : 31,233.40 = 12,561.51 : x
  2. Step 2: Convert to fraction form
    22,633.33/31,233.40 = 12,561.51/x
  3. Step 3: Cross multiply
    22,633.33x = 31,233.40 × 12,561.51
  4. Step 4: Simplify right side
    22,633.33x = 392,338,822.81
  5. Step 5: Solve for x
    x = 392,338,822.81/22,633.33
  6. Step 6: Final answer
    x = 17,334.56

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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.