Home / 23,058.70-31,819.71-13,628.14

Finding the Fourth Proportional to 23,058.70, 31,819.71 and 13,628.14

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Solution

The fourth proportional to 23,058.70, 31,819.71 and 13,628.14 is: 18,806.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,058.70 : 31,819.71 = 13,628.14 : x
  2. Step 2: Convert to fraction form
    23,058.70/31,819.71 = 13,628.14/x
  3. Step 3: Cross multiply
    23,058.70x = 31,819.71 × 13,628.14
  4. Step 4: Simplify right side
    23,058.70x = 433,643,462.64
  5. Step 5: Solve for x
    x = 433,643,462.64/23,058.70
  6. Step 6: Final answer
    x = 18,806.07

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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.