Home / 13,266.84-18,308.40-7,601.82

Finding the Fourth Proportional to 13,266.84, 18,308.40 and 7,601.82

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Solution

The fourth proportional to 13,266.84, 18,308.40 and 7,601.82 is: 10,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.84 : 18,308.40 = 7,601.82 : x
  2. Step 2: Convert to fraction form
    13,266.84/18,308.40 = 7,601.82/x
  3. Step 3: Cross multiply
    13,266.84x = 18,308.40 × 7,601.82
  4. Step 4: Simplify right side
    13,266.84x = 139,177,161.29
  5. Step 5: Solve for x
    x = 139,177,161.29/13,266.84
  6. Step 6: Final answer
    x = 10,490.60

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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.