Home / 26,317.86-36,318.78-14,381.40

Finding the Fourth Proportional to 26,317.86, 36,318.78 and 14,381.40

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Solution

The fourth proportional to 26,317.86, 36,318.78 and 14,381.40 is: 19,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,317.86 : 36,318.78 = 14,381.40 : x
  2. Step 2: Convert to fraction form
    26,317.86/36,318.78 = 14,381.40/x
  3. Step 3: Cross multiply
    26,317.86x = 36,318.78 × 14,381.40
  4. Step 4: Simplify right side
    26,317.86x = 522,314,902.69
  5. Step 5: Solve for x
    x = 522,314,902.69/26,317.86
  6. Step 6: Final answer
    x = 19,846.40

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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.