Home / 22,373.60-30,876.36-12,302.81

Finding the Fourth Proportional to 22,373.60, 30,876.36 and 12,302.81

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Solution

The fourth proportional to 22,373.60, 30,876.36 and 12,302.81 is: 16,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,373.60 : 30,876.36 = 12,302.81 : x
  2. Step 2: Convert to fraction form
    22,373.60/30,876.36 = 12,302.81/x
  3. Step 3: Cross multiply
    22,373.60x = 30,876.36 × 12,302.81
  4. Step 4: Simplify right side
    22,373.60x = 379,865,836.19
  5. Step 5: Solve for x
    x = 379,865,836.19/22,373.60
  6. Step 6: Final answer
    x = 16,978.31

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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.