Home / 19,433.81-26,753.80-18,541.12

Finding the Fourth Proportional to 19,433.81, 26,753.80 and 18,541.12

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Solution

The fourth proportional to 19,433.81, 26,753.80 and 18,541.12 is: 25,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.81 : 26,753.80 = 18,541.12 : x
  2. Step 2: Convert to fraction form
    19,433.81/26,753.80 = 18,541.12/x
  3. Step 3: Cross multiply
    19,433.81x = 26,753.80 × 18,541.12
  4. Step 4: Simplify right side
    19,433.81x = 496,045,416.26
  5. Step 5: Solve for x
    x = 496,045,416.26/19,433.81
  6. Step 6: Final answer
    x = 25,524.87

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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.