Home / 13,975.17-19,285.79-7,601.76

Finding the Fourth Proportional to 13,975.17, 19,285.79 and 7,601.76

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Solution

The fourth proportional to 13,975.17, 19,285.79 and 7,601.76 is: 10,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.17 : 19,285.79 = 7,601.76 : x
  2. Step 2: Convert to fraction form
    13,975.17/19,285.79 = 7,601.76/x
  3. Step 3: Cross multiply
    13,975.17x = 19,285.79 × 7,601.76
  4. Step 4: Simplify right side
    13,975.17x = 146,605,908.98
  5. Step 5: Solve for x
    x = 146,605,908.98/13,975.17
  6. Step 6: Final answer
    x = 10,490.46

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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.