Home / 22,045.07-30,427.15-13,554.56

Finding the Fourth Proportional to 22,045.07, 30,427.15 and 13,554.56

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Solution

The fourth proportional to 22,045.07, 30,427.15 and 13,554.56 is: 18,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,045.07 : 30,427.15 = 13,554.56 : x
  2. Step 2: Convert to fraction form
    22,045.07/30,427.15 = 13,554.56/x
  3. Step 3: Cross multiply
    22,045.07x = 30,427.15 × 13,554.56
  4. Step 4: Simplify right side
    22,045.07x = 412,426,600.46
  5. Step 5: Solve for x
    x = 412,426,600.46/22,045.07
  6. Step 6: Final answer
    x = 18,708.33

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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.