Home / 29,574.15-40,812.44-16,145.70

Finding the Fourth Proportional to 29,574.15, 40,812.44 and 16,145.70

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Solution

The fourth proportional to 29,574.15, 40,812.44 and 16,145.70 is: 22,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,574.15 : 40,812.44 = 16,145.70 : x
  2. Step 2: Convert to fraction form
    29,574.15/40,812.44 = 16,145.70/x
  3. Step 3: Cross multiply
    29,574.15x = 40,812.44 × 16,145.70
  4. Step 4: Simplify right side
    29,574.15x = 658,945,412.51
  5. Step 5: Solve for x
    x = 658,945,412.51/29,574.15
  6. Step 6: Final answer
    x = 22,281.13

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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.