Home / 26,762.58-40,122.45-12,715.56

Finding the Fourth Proportional to 26,762.58, 40,122.45 and 12,715.56

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Solution

The fourth proportional to 26,762.58, 40,122.45 and 12,715.56 is: 19,063.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,762.58 : 40,122.45 = 12,715.56 : x
  2. Step 2: Convert to fraction form
    26,762.58/40,122.45 = 12,715.56/x
  3. Step 3: Cross multiply
    26,762.58x = 40,122.45 × 12,715.56
  4. Step 4: Simplify right side
    26,762.58x = 510,179,420.32
  5. Step 5: Solve for x
    x = 510,179,420.32/26,762.58
  6. Step 6: Final answer
    x = 19,063.16

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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.