Home / 18,955.44-26,158.71-10,457.86

Finding the Fourth Proportional to 18,955.44, 26,158.71 and 10,457.86

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Solution

The fourth proportional to 18,955.44, 26,158.71 and 10,457.86 is: 14,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.44 : 26,158.71 = 10,457.86 : x
  2. Step 2: Convert to fraction form
    18,955.44/26,158.71 = 10,457.86/x
  3. Step 3: Cross multiply
    18,955.44x = 26,158.71 × 10,457.86
  4. Step 4: Simplify right side
    18,955.44x = 273,564,126.96
  5. Step 5: Solve for x
    x = 273,564,126.96/18,955.44
  6. Step 6: Final answer
    x = 14,431.96

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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.