Home / 18,256.96-25,194.78-10,707.76

Finding the Fourth Proportional to 18,256.96, 25,194.78 and 10,707.76

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Solution

The fourth proportional to 18,256.96, 25,194.78 and 10,707.76 is: 14,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.96 : 25,194.78 = 10,707.76 : x
  2. Step 2: Convert to fraction form
    18,256.96/25,194.78 = 10,707.76/x
  3. Step 3: Cross multiply
    18,256.96x = 25,194.78 × 10,707.76
  4. Step 4: Simplify right side
    18,256.96x = 269,779,657.49
  5. Step 5: Solve for x
    x = 269,779,657.49/18,256.96
  6. Step 6: Final answer
    x = 14,776.81

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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.