Home / 14,140.83-19,517.85-8,176.23

Finding the Fourth Proportional to 14,140.83, 19,517.85 and 8,176.23

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Solution

The fourth proportional to 14,140.83, 19,517.85 and 8,176.23 is: 11,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.83 : 19,517.85 = 8,176.23 : x
  2. Step 2: Convert to fraction form
    14,140.83/19,517.85 = 8,176.23/x
  3. Step 3: Cross multiply
    14,140.83x = 19,517.85 × 8,176.23
  4. Step 4: Simplify right side
    14,140.83x = 159,582,430.71
  5. Step 5: Solve for x
    x = 159,582,430.71/14,140.83
  6. Step 6: Final answer
    x = 11,285.22

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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.