Home / 19,866.06-27,415.87-10,913.87

Finding the Fourth Proportional to 19,866.06, 27,415.87 and 10,913.87

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Solution

The fourth proportional to 19,866.06, 27,415.87 and 10,913.87 is: 15,061.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.06 : 27,415.87 = 10,913.87 : x
  2. Step 2: Convert to fraction form
    19,866.06/27,415.87 = 10,913.87/x
  3. Step 3: Cross multiply
    19,866.06x = 27,415.87 × 10,913.87
  4. Step 4: Simplify right side
    19,866.06x = 299,213,282.37
  5. Step 5: Solve for x
    x = 299,213,282.37/19,866.06
  6. Step 6: Final answer
    x = 15,061.53

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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.