Home / 22,155.74-30,564.38-14,988.17

Finding the Fourth Proportional to 22,155.74, 30,564.38 and 14,988.17

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Solution

The fourth proportional to 22,155.74, 30,564.38 and 14,988.17 is: 20,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.74 : 30,564.38 = 14,988.17 : x
  2. Step 2: Convert to fraction form
    22,155.74/30,564.38 = 14,988.17/x
  3. Step 3: Cross multiply
    22,155.74x = 30,564.38 × 14,988.17
  4. Step 4: Simplify right side
    22,155.74x = 458,104,124.85
  5. Step 5: Solve for x
    x = 458,104,124.85/22,155.74
  6. Step 6: Final answer
    x = 20,676.54

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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.