Home / 29,628.18-40,886.93-16,880.81

Finding the Fourth Proportional to 29,628.18, 40,886.93 and 16,880.81

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Solution

The fourth proportional to 29,628.18, 40,886.93 and 16,880.81 is: 23,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,628.18 : 40,886.93 = 16,880.81 : x
  2. Step 2: Convert to fraction form
    29,628.18/40,886.93 = 16,880.81/x
  3. Step 3: Cross multiply
    29,628.18x = 40,886.93 × 16,880.81
  4. Step 4: Simplify right side
    29,628.18x = 690,204,239.63
  5. Step 5: Solve for x
    x = 690,204,239.63/29,628.18
  6. Step 6: Final answer
    x = 23,295.53

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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.