Home / 18,918.47-26,107.49-10,534.97

Finding the Fourth Proportional to 18,918.47, 26,107.49 and 10,534.97

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Solution

The fourth proportional to 18,918.47, 26,107.49 and 10,534.97 is: 14,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918.47 : 26,107.49 = 10,534.97 : x
  2. Step 2: Convert to fraction form
    18,918.47/26,107.49 = 10,534.97/x
  3. Step 3: Cross multiply
    18,918.47x = 26,107.49 × 10,534.97
  4. Step 4: Simplify right side
    18,918.47x = 275,041,715.53
  5. Step 5: Solve for x
    x = 275,041,715.53/18,918.47
  6. Step 6: Final answer
    x = 14,538.26

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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.