Home / 19,927.77-27,500.33-10,975.24

Finding the Fourth Proportional to 19,927.77, 27,500.33 and 10,975.24

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Solution

The fourth proportional to 19,927.77, 27,500.33 and 10,975.24 is: 15,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.77 : 27,500.33 = 10,975.24 : x
  2. Step 2: Convert to fraction form
    19,927.77/27,500.33 = 10,975.24/x
  3. Step 3: Cross multiply
    19,927.77x = 27,500.33 × 10,975.24
  4. Step 4: Simplify right side
    19,927.77x = 301,822,721.83
  5. Step 5: Solve for x
    x = 301,822,721.83/19,927.77
  6. Step 6: Final answer
    x = 15,145.84

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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.