Home / 14,061.92-19,409.63-8,400.62

Finding the Fourth Proportional to 14,061.92, 19,409.63 and 8,400.62

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Solution

The fourth proportional to 14,061.92, 19,409.63 and 8,400.62 is: 11,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,061.92 : 19,409.63 = 8,400.62 : x
  2. Step 2: Convert to fraction form
    14,061.92/19,409.63 = 8,400.62/x
  3. Step 3: Cross multiply
    14,061.92x = 19,409.63 × 8,400.62
  4. Step 4: Simplify right side
    14,061.92x = 163,052,883.97
  5. Step 5: Solve for x
    x = 163,052,883.97/14,061.92
  6. Step 6: Final answer
    x = 11,595.35

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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.