Home / 18,637.06-25,722.78-10,684.60

Finding the Fourth Proportional to 18,637.06, 25,722.78 and 10,684.60

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Solution

The fourth proportional to 18,637.06, 25,722.78 and 10,684.60 is: 14,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.06 : 25,722.78 = 10,684.60 : x
  2. Step 2: Convert to fraction form
    18,637.06/25,722.78 = 10,684.60/x
  3. Step 3: Cross multiply
    18,637.06x = 25,722.78 × 10,684.60
  4. Step 4: Simplify right side
    18,637.06x = 274,837,615.19
  5. Step 5: Solve for x
    x = 274,837,615.19/18,637.06
  6. Step 6: Final answer
    x = 14,746.83

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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.