Home / 26,990.72-37,245.89-14,725.40

Finding the Fourth Proportional to 26,990.72, 37,245.89 and 14,725.40

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Solution

The fourth proportional to 26,990.72, 37,245.89 and 14,725.40 is: 20,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.72 : 37,245.89 = 14,725.40 : x
  2. Step 2: Convert to fraction form
    26,990.72/37,245.89 = 14,725.40/x
  3. Step 3: Cross multiply
    26,990.72x = 37,245.89 × 14,725.40
  4. Step 4: Simplify right side
    26,990.72x = 548,460,479.19
  5. Step 5: Solve for x
    x = 548,460,479.19/26,990.72
  6. Step 6: Final answer
    x = 20,320.34

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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.