Home / 26,912.64-37,138.98-14,975.64

Finding the Fourth Proportional to 26,912.64, 37,138.98 and 14,975.64

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Solution

The fourth proportional to 26,912.64, 37,138.98 and 14,975.64 is: 20,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.64 : 37,138.98 = 14,975.64 : x
  2. Step 2: Convert to fraction form
    26,912.64/37,138.98 = 14,975.64/x
  3. Step 3: Cross multiply
    26,912.64x = 37,138.98 × 14,975.64
  4. Step 4: Simplify right side
    26,912.64x = 556,179,994.45
  5. Step 5: Solve for x
    x = 556,179,994.45/26,912.64
  6. Step 6: Final answer
    x = 20,666.13

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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.