Home / 19,866.09-27,415.23-10,913.77

Finding the Fourth Proportional to 19,866.09, 27,415.23 and 10,913.77

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Solution

The fourth proportional to 19,866.09, 27,415.23 and 10,913.77 is: 15,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.09 : 27,415.23 = 10,913.77 : x
  2. Step 2: Convert to fraction form
    19,866.09/27,415.23 = 10,913.77/x
  3. Step 3: Cross multiply
    19,866.09x = 27,415.23 × 10,913.77
  4. Step 4: Simplify right side
    19,866.09x = 299,203,508.06
  5. Step 5: Solve for x
    x = 299,203,508.06/19,866.09
  6. Step 6: Final answer
    x = 15,061.01

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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.