Home / 13,939.89-19,237.19-7,566.53

Finding the Fourth Proportional to 13,939.89, 19,237.19 and 7,566.53

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Solution

The fourth proportional to 13,939.89, 19,237.19 and 7,566.53 is: 10,441.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.89 : 19,237.19 = 7,566.53 : x
  2. Step 2: Convert to fraction form
    13,939.89/19,237.19 = 7,566.53/x
  3. Step 3: Cross multiply
    13,939.89x = 19,237.19 × 7,566.53
  4. Step 4: Simplify right side
    13,939.89x = 145,558,785.51
  5. Step 5: Solve for x
    x = 145,558,785.51/13,939.89
  6. Step 6: Final answer
    x = 10,441.89

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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.