Home / 19,950.16-27,530.86-10,997.70

Finding the Fourth Proportional to 19,950.16, 27,530.86 and 10,997.70

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Solution

The fourth proportional to 19,950.16, 27,530.86 and 10,997.70 is: 15,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.16 : 27,530.86 = 10,997.70 : x
  2. Step 2: Convert to fraction form
    19,950.16/27,530.86 = 10,997.70/x
  3. Step 3: Cross multiply
    19,950.16x = 27,530.86 × 10,997.70
  4. Step 4: Simplify right side
    19,950.16x = 302,776,139.02
  5. Step 5: Solve for x
    x = 302,776,139.02/19,950.16
  6. Step 6: Final answer
    x = 15,176.63

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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.