Home / 18,622.40-25,698.84-10,124.51

Finding the Fourth Proportional to 18,622.40, 25,698.84 and 10,124.51

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Solution

The fourth proportional to 18,622.40, 25,698.84 and 10,124.51 is: 13,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.40 : 25,698.84 = 10,124.51 : x
  2. Step 2: Convert to fraction form
    18,622.40/25,698.84 = 10,124.51/x
  3. Step 3: Cross multiply
    18,622.40x = 25,698.84 × 10,124.51
  4. Step 4: Simplify right side
    18,622.40x = 260,188,034.07
  5. Step 5: Solve for x
    x = 260,188,034.07/18,622.40
  6. Step 6: Final answer
    x = 13,971.78

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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.