Home / 14,706.25-20,291.34-8,332.28

Finding the Fourth Proportional to 14,706.25, 20,291.34 and 8,332.28

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Solution

The fourth proportional to 14,706.25, 20,291.34 and 8,332.28 is: 11,496.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,706.25 : 20,291.34 = 8,332.28 : x
  2. Step 2: Convert to fraction form
    14,706.25/20,291.34 = 8,332.28/x
  3. Step 3: Cross multiply
    14,706.25x = 20,291.34 × 8,332.28
  4. Step 4: Simplify right side
    14,706.25x = 169,073,126.46
  5. Step 5: Solve for x
    x = 169,073,126.46/14,706.25
  6. Step 6: Final answer
    x = 11,496.69

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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.