Home / 18,407.86-27,616.21-5,929.07

Finding the Fourth Proportional to 18,407.86, 27,616.21 and 5,929.07

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Solution

The fourth proportional to 18,407.86, 27,616.21 and 5,929.07 is: 8,895.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.86 : 27,616.21 = 5,929.07 : x
  2. Step 2: Convert to fraction form
    18,407.86/27,616.21 = 5,929.07/x
  3. Step 3: Cross multiply
    18,407.86x = 27,616.21 × 5,929.07
  4. Step 4: Simplify right side
    18,407.86x = 163,738,289.32
  5. Step 5: Solve for x
    x = 163,738,289.32/18,407.86
  6. Step 6: Final answer
    x = 8,895.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.