Home / 14,276.79-19,693.94-10,077.75

Finding the Fourth Proportional to 14,276.79, 19,693.94 and 10,077.75

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Solution

The fourth proportional to 14,276.79, 19,693.94 and 10,077.75 is: 13,901.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.79 : 19,693.94 = 10,077.75 : x
  2. Step 2: Convert to fraction form
    14,276.79/19,693.94 = 10,077.75/x
  3. Step 3: Cross multiply
    14,276.79x = 19,693.94 × 10,077.75
  4. Step 4: Simplify right side
    14,276.79x = 198,470,553.45
  5. Step 5: Solve for x
    x = 198,470,553.45/14,276.79
  6. Step 6: Final answer
    x = 13,901.62

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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.