Home / 29,688.53-40,969.34-16,260.35

Finding the Fourth Proportional to 29,688.53, 40,969.34 and 16,260.35

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Solution

The fourth proportional to 29,688.53, 40,969.34 and 16,260.35 is: 22,438.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.53 : 40,969.34 = 16,260.35 : x
  2. Step 2: Convert to fraction form
    29,688.53/40,969.34 = 16,260.35/x
  3. Step 3: Cross multiply
    29,688.53x = 40,969.34 × 16,260.35
  4. Step 4: Simplify right side
    29,688.53x = 666,175,673.96
  5. Step 5: Solve for x
    x = 666,175,673.96/29,688.53
  6. Step 6: Final answer
    x = 22,438.83

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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.