Home / 29,410.21-40,586.15-15,981.63

Finding the Fourth Proportional to 29,410.21, 40,586.15 and 15,981.63

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Solution

The fourth proportional to 29,410.21, 40,586.15 and 15,981.63 is: 22,054.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,410.21 : 40,586.15 = 15,981.63 : x
  2. Step 2: Convert to fraction form
    29,410.21/40,586.15 = 15,981.63/x
  3. Step 3: Cross multiply
    29,410.21x = 40,586.15 × 15,981.63
  4. Step 4: Simplify right side
    29,410.21x = 648,632,832.42
  5. Step 5: Solve for x
    x = 648,632,832.42/29,410.21
  6. Step 6: Final answer
    x = 22,054.68

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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.