Home / 22,666.58-31,278.04-13,107.08

Finding the Fourth Proportional to 22,666.58, 31,278.04 and 13,107.08

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Solution

The fourth proportional to 22,666.58, 31,278.04 and 13,107.08 is: 18,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.58 : 31,278.04 = 13,107.08 : x
  2. Step 2: Convert to fraction form
    22,666.58/31,278.04 = 13,107.08/x
  3. Step 3: Cross multiply
    22,666.58x = 31,278.04 × 13,107.08
  4. Step 4: Simplify right side
    22,666.58x = 409,963,772.52
  5. Step 5: Solve for x
    x = 409,963,772.52/22,666.58
  6. Step 6: Final answer
    x = 18,086.71

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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.