Home / 23,141.84-31,935.67-13,069.78

Finding the Fourth Proportional to 23,141.84, 31,935.67 and 13,069.78

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Solution

The fourth proportional to 23,141.84, 31,935.67 and 13,069.78 is: 18,036.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,141.84 : 31,935.67 = 13,069.78 : x
  2. Step 2: Convert to fraction form
    23,141.84/31,935.67 = 13,069.78/x
  3. Step 3: Cross multiply
    23,141.84x = 31,935.67 × 13,069.78
  4. Step 4: Simplify right side
    23,141.84x = 417,392,068.54
  5. Step 5: Solve for x
    x = 417,392,068.54/23,141.84
  6. Step 6: Final answer
    x = 18,036.26

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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.