Home / 14,143.34-19,518.66-8,176.46

Finding the Fourth Proportional to 14,143.34, 19,518.66 and 8,176.46

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Solution

The fourth proportional to 14,143.34, 19,518.66 and 8,176.46 is: 11,284.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.34 : 19,518.66 = 8,176.46 : x
  2. Step 2: Convert to fraction form
    14,143.34/19,518.66 = 8,176.46/x
  3. Step 3: Cross multiply
    14,143.34x = 19,518.66 × 8,176.46
  4. Step 4: Simplify right side
    14,143.34x = 159,593,542.74
  5. Step 5: Solve for x
    x = 159,593,542.74/14,143.34
  6. Step 6: Final answer
    x = 11,284.01

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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.