Home / 18,898.81-26,077.47-11,343.49

Finding the Fourth Proportional to 18,898.81, 26,077.47 and 11,343.49

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Solution

The fourth proportional to 18,898.81, 26,077.47 and 11,343.49 is: 15,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.81 : 26,077.47 = 11,343.49 : x
  2. Step 2: Convert to fraction form
    18,898.81/26,077.47 = 11,343.49/x
  3. Step 3: Cross multiply
    18,898.81x = 26,077.47 × 11,343.49
  4. Step 4: Simplify right side
    18,898.81x = 295,809,520.17
  5. Step 5: Solve for x
    x = 295,809,520.17/18,898.81
  6. Step 6: Final answer
    x = 15,652.28

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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.