Home / 22,905.95-31,610.57-13,953.83

Finding the Fourth Proportional to 22,905.95, 31,610.57 and 13,953.83

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Solution

The fourth proportional to 22,905.95, 31,610.57 and 13,953.83 is: 19,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.95 : 31,610.57 = 13,953.83 : x
  2. Step 2: Convert to fraction form
    22,905.95/31,610.57 = 13,953.83/x
  3. Step 3: Cross multiply
    22,905.95x = 31,610.57 × 13,953.83
  4. Step 4: Simplify right side
    22,905.95x = 441,088,450.21
  5. Step 5: Solve for x
    x = 441,088,450.21/22,905.95
  6. Step 6: Final answer
    x = 19,256.50

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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.