Home / 22,793.36-31,430.04-14,820.80

Finding the Fourth Proportional to 22,793.36, 31,430.04 and 14,820.80

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Solution

The fourth proportional to 22,793.36, 31,430.04 and 14,820.80 is: 20,436.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,793.36 : 31,430.04 = 14,820.80 : x
  2. Step 2: Convert to fraction form
    22,793.36/31,430.04 = 14,820.80/x
  3. Step 3: Cross multiply
    22,793.36x = 31,430.04 × 14,820.80
  4. Step 4: Simplify right side
    22,793.36x = 465,818,336.83
  5. Step 5: Solve for x
    x = 465,818,336.83/22,793.36
  6. Step 6: Final answer
    x = 20,436.58

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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.