Home / 22,000.23-30,360-11,928.48

Finding the Fourth Proportional to 22,000.23, 30,360 and 11,928.48

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Solution

The fourth proportional to 22,000.23, 30,360 and 11,928.48 is: 16,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.23 : 30,360 = 11,928.48 : x
  2. Step 2: Convert to fraction form
    22,000.23/30,360 = 11,928.48/x
  3. Step 3: Cross multiply
    22,000.23x = 30,360 × 11,928.48
  4. Step 4: Simplify right side
    22,000.23x = 362,148,652.80
  5. Step 5: Solve for x
    x = 362,148,652.80/22,000.23
  6. Step 6: Final answer
    x = 16,461.13

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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.