Home / 30,154.01-41,612.55-16,724.81

Finding the Fourth Proportional to 30,154.01, 41,612.55 and 16,724.81

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Solution

The fourth proportional to 30,154.01, 41,612.55 and 16,724.81 is: 23,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.01 : 41,612.55 = 16,724.81 : x
  2. Step 2: Convert to fraction form
    30,154.01/41,612.55 = 16,724.81/x
  3. Step 3: Cross multiply
    30,154.01x = 41,612.55 × 16,724.81
  4. Step 4: Simplify right side
    30,154.01x = 695,961,992.37
  5. Step 5: Solve for x
    x = 695,961,992.37/30,154.01
  6. Step 6: Final answer
    x = 23,080.25

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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.