Home / 22,133.34-30,543.70-12,062.20

Finding the Fourth Proportional to 22,133.34, 30,543.70 and 12,062.20

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Solution

The fourth proportional to 22,133.34, 30,543.70 and 12,062.20 is: 16,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.34 : 30,543.70 = 12,062.20 : x
  2. Step 2: Convert to fraction form
    22,133.34/30,543.70 = 12,062.20/x
  3. Step 3: Cross multiply
    22,133.34x = 30,543.70 × 12,062.20
  4. Step 4: Simplify right side
    22,133.34x = 368,424,218.14
  5. Step 5: Solve for x
    x = 368,424,218.14/22,133.34
  6. Step 6: Final answer
    x = 16,645.67

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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.