Home / 40,103.10-60,153.96-13,807.26

Finding the Fourth Proportional to 40,103.10, 60,153.96 and 13,807.26

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Solution

The fourth proportional to 40,103.10, 60,153.96 and 13,807.26 is: 20,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,103.10 : 60,153.96 = 13,807.26 : x
  2. Step 2: Convert to fraction form
    40,103.10/60,153.96 = 13,807.26/x
  3. Step 3: Cross multiply
    40,103.10x = 60,153.96 × 13,807.26
  4. Step 4: Simplify right side
    40,103.10x = 830,561,365.75
  5. Step 5: Solve for x
    x = 830,561,365.75/40,103.10
  6. Step 6: Final answer
    x = 20,710.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.