Home / 22,038.48-30,428.82-13,551.93

Finding the Fourth Proportional to 22,038.48, 30,428.82 and 13,551.93

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Solution

The fourth proportional to 22,038.48, 30,428.82 and 13,551.93 is: 18,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.48 : 30,428.82 = 13,551.93 : x
  2. Step 2: Convert to fraction form
    22,038.48/30,428.82 = 13,551.93/x
  3. Step 3: Cross multiply
    22,038.48x = 30,428.82 × 13,551.93
  4. Step 4: Simplify right side
    22,038.48x = 412,369,238.62
  5. Step 5: Solve for x
    x = 412,369,238.62/22,038.48
  6. Step 6: Final answer
    x = 18,711.33

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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.