Home / 13,786.09-19,024.57-7,653.58

Finding the Fourth Proportional to 13,786.09, 19,024.57 and 7,653.58

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Solution

The fourth proportional to 13,786.09, 19,024.57 and 7,653.58 is: 10,561.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.09 : 19,024.57 = 7,653.58 : x
  2. Step 2: Convert to fraction form
    13,786.09/19,024.57 = 7,653.58/x
  3. Step 3: Cross multiply
    13,786.09x = 19,024.57 × 7,653.58
  4. Step 4: Simplify right side
    13,786.09x = 145,606,068.46
  5. Step 5: Solve for x
    x = 145,606,068.46/13,786.09
  6. Step 6: Final answer
    x = 10,561.81

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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.