Home / 19,950.57-27,532.71-10,998.18

Finding the Fourth Proportional to 19,950.57, 27,532.71 and 10,998.18

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Solution

The fourth proportional to 19,950.57, 27,532.71 and 10,998.18 is: 15,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.57 : 27,532.71 = 10,998.18 : x
  2. Step 2: Convert to fraction form
    19,950.57/27,532.71 = 10,998.18/x
  3. Step 3: Cross multiply
    19,950.57x = 27,532.71 × 10,998.18
  4. Step 4: Simplify right side
    19,950.57x = 302,809,700.47
  5. Step 5: Solve for x
    x = 302,809,700.47/19,950.57
  6. Step 6: Final answer
    x = 15,178.00

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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.