Home / 22,622.60-31,223.34-14,128.52

Finding the Fourth Proportional to 22,622.60, 31,223.34 and 14,128.52

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Solution

The fourth proportional to 22,622.60, 31,223.34 and 14,128.52 is: 19,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,622.60 : 31,223.34 = 14,128.52 : x
  2. Step 2: Convert to fraction form
    22,622.60/31,223.34 = 14,128.52/x
  3. Step 3: Cross multiply
    22,622.60x = 31,223.34 × 14,128.52
  4. Step 4: Simplify right side
    22,622.60x = 441,139,583.66
  5. Step 5: Solve for x
    x = 441,139,583.66/22,622.60
  6. Step 6: Final answer
    x = 19,499.95

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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.