Home / 26,172.40-36,117.84-14,687.32

Finding the Fourth Proportional to 26,172.40, 36,117.84 and 14,687.32

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Solution

The fourth proportional to 26,172.40, 36,117.84 and 14,687.32 is: 20,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.40 : 36,117.84 = 14,687.32 : x
  2. Step 2: Convert to fraction form
    26,172.40/36,117.84 = 14,687.32/x
  3. Step 3: Cross multiply
    26,172.40x = 36,117.84 × 14,687.32
  4. Step 4: Simplify right side
    26,172.40x = 530,474,273.79
  5. Step 5: Solve for x
    x = 530,474,273.79/26,172.40
  6. Step 6: Final answer
    x = 20,268.46

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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.