Home / 18,631.02-27,947-6,941.91

Finding the Fourth Proportional to 18,631.02, 27,947 and 6,941.91

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Solution

The fourth proportional to 18,631.02, 27,947 and 6,941.91 is: 10,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.02 : 27,947 = 6,941.91 : x
  2. Step 2: Convert to fraction form
    18,631.02/27,947 = 6,941.91/x
  3. Step 3: Cross multiply
    18,631.02x = 27,947 × 6,941.91
  4. Step 4: Simplify right side
    18,631.02x = 194,005,558.77
  5. Step 5: Solve for x
    x = 194,005,558.77/18,631.02
  6. Step 6: Final answer
    x = 10,413.04

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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.