Home / 22,776.63-31,418.58-13,695.68

Finding the Fourth Proportional to 22,776.63, 31,418.58 and 13,695.68

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Solution

The fourth proportional to 22,776.63, 31,418.58 and 13,695.68 is: 18,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,776.63 : 31,418.58 = 13,695.68 : x
  2. Step 2: Convert to fraction form
    22,776.63/31,418.58 = 13,695.68/x
  3. Step 3: Cross multiply
    22,776.63x = 31,418.58 × 13,695.68
  4. Step 4: Simplify right side
    22,776.63x = 430,298,660.64
  5. Step 5: Solve for x
    x = 430,298,660.64/22,776.63
  6. Step 6: Final answer
    x = 18,892.11

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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.