Home / 29,263.68-40,383.12-16,688.16

Finding the Fourth Proportional to 29,263.68, 40,383.12 and 16,688.16

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Solution

The fourth proportional to 29,263.68, 40,383.12 and 16,688.16 is: 23,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,263.68 : 40,383.12 = 16,688.16 : x
  2. Step 2: Convert to fraction form
    29,263.68/40,383.12 = 16,688.16/x
  3. Step 3: Cross multiply
    29,263.68x = 40,383.12 × 16,688.16
  4. Step 4: Simplify right side
    29,263.68x = 673,919,967.86
  5. Step 5: Solve for x
    x = 673,919,967.86/29,263.68
  6. Step 6: Final answer
    x = 23,029.23

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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.