Home / 19,782.36-27,298.80-10,829.88

Finding the Fourth Proportional to 19,782.36, 27,298.80 and 10,829.88

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Solution

The fourth proportional to 19,782.36, 27,298.80 and 10,829.88 is: 14,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.36 : 27,298.80 = 10,829.88 : x
  2. Step 2: Convert to fraction form
    19,782.36/27,298.80 = 10,829.88/x
  3. Step 3: Cross multiply
    19,782.36x = 27,298.80 × 10,829.88
  4. Step 4: Simplify right side
    19,782.36x = 295,642,728.14
  5. Step 5: Solve for x
    x = 295,642,728.14/19,782.36
  6. Step 6: Final answer
    x = 14,944.77

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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.