Home / 22,187.66-30,628.96-14,638.46

Finding the Fourth Proportional to 22,187.66, 30,628.96 and 14,638.46

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Solution

The fourth proportional to 22,187.66, 30,628.96 and 14,638.46 is: 20,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.66 : 30,628.96 = 14,638.46 : x
  2. Step 2: Convert to fraction form
    22,187.66/30,628.96 = 14,638.46/x
  3. Step 3: Cross multiply
    22,187.66x = 30,628.96 × 14,638.46
  4. Step 4: Simplify right side
    22,187.66x = 448,360,805.80
  5. Step 5: Solve for x
    x = 448,360,805.80/22,187.66
  6. Step 6: Final answer
    x = 20,207.67

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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.