Home / 14,270.70-19,695.63-8,305.66

Finding the Fourth Proportional to 14,270.70, 19,695.63 and 8,305.66

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Solution

The fourth proportional to 14,270.70, 19,695.63 and 8,305.66 is: 11,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.70 : 19,695.63 = 8,305.66 : x
  2. Step 2: Convert to fraction form
    14,270.70/19,695.63 = 8,305.66/x
  3. Step 3: Cross multiply
    14,270.70x = 19,695.63 × 8,305.66
  4. Step 4: Simplify right side
    14,270.70x = 163,585,157.03
  5. Step 5: Solve for x
    x = 163,585,157.03/14,270.70
  6. Step 6: Final answer
    x = 11,463.01

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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.