Home / 18,628.00-25,707.65-10,669.95

Finding the Fourth Proportional to 18,628.00, 25,707.65 and 10,669.95

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Solution

The fourth proportional to 18,628.00, 25,707.65 and 10,669.95 is: 14,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.00 : 25,707.65 = 10,669.95 : x
  2. Step 2: Convert to fraction form
    18,628.00/25,707.65 = 10,669.95/x
  3. Step 3: Cross multiply
    18,628.00x = 25,707.65 × 10,669.95
  4. Step 4: Simplify right side
    18,628.00x = 274,299,286.77
  5. Step 5: Solve for x
    x = 274,299,286.77/18,628.00
  6. Step 6: Final answer
    x = 14,725.11

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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.