Home / 26,178.72-36,122.94-15,572.58

Finding the Fourth Proportional to 26,178.72, 36,122.94 and 15,572.58

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Solution

The fourth proportional to 26,178.72, 36,122.94 and 15,572.58 is: 21,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,178.72 : 36,122.94 = 15,572.58 : x
  2. Step 2: Convert to fraction form
    26,178.72/36,122.94 = 15,572.58/x
  3. Step 3: Cross multiply
    26,178.72x = 36,122.94 × 15,572.58
  4. Step 4: Simplify right side
    26,178.72x = 562,527,372.99
  5. Step 5: Solve for x
    x = 562,527,372.99/26,178.72
  6. Step 6: Final answer
    x = 21,487.96

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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.