Home / 29,574.20-40,812.54-16,145.76

Finding the Fourth Proportional to 29,574.20, 40,812.54 and 16,145.76

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Solution

The fourth proportional to 29,574.20, 40,812.54 and 16,145.76 is: 22,281.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,574.20 : 40,812.54 = 16,145.76 : x
  2. Step 2: Convert to fraction form
    29,574.20/40,812.54 = 16,145.76/x
  3. Step 3: Cross multiply
    29,574.20x = 40,812.54 × 16,145.76
  4. Step 4: Simplify right side
    29,574.20x = 658,949,475.83
  5. Step 5: Solve for x
    x = 658,949,475.83/29,574.20
  6. Step 6: Final answer
    x = 22,281.23

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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.