Home / 13,942.59-19,240.09-7,569.03

Finding the Fourth Proportional to 13,942.59, 19,240.09 and 7,569.03

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Solution

The fourth proportional to 13,942.59, 19,240.09 and 7,569.03 is: 10,444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.59 : 19,240.09 = 7,569.03 : x
  2. Step 2: Convert to fraction form
    13,942.59/19,240.09 = 7,569.03/x
  3. Step 3: Cross multiply
    13,942.59x = 19,240.09 × 7,569.03
  4. Step 4: Simplify right side
    13,942.59x = 145,628,818.41
  5. Step 5: Solve for x
    x = 145,628,818.41/13,942.59
  6. Step 6: Final answer
    x = 10,444.89

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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.