Home / 13,889.71-19,167.33-7,601.95

Finding the Fourth Proportional to 13,889.71, 19,167.33 and 7,601.95

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Solution

The fourth proportional to 13,889.71, 19,167.33 and 7,601.95 is: 10,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.71 : 19,167.33 = 7,601.95 : x
  2. Step 2: Convert to fraction form
    13,889.71/19,167.33 = 7,601.95/x
  3. Step 3: Cross multiply
    13,889.71x = 19,167.33 × 7,601.95
  4. Step 4: Simplify right side
    13,889.71x = 145,709,084.29
  5. Step 5: Solve for x
    x = 145,709,084.29/13,889.71
  6. Step 6: Final answer
    x = 10,490.43

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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.