Home / 19,784.34-27,301.32-10,830.06

Finding the Fourth Proportional to 19,784.34, 27,301.32 and 10,830.06

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Solution

The fourth proportional to 19,784.34, 27,301.32 and 10,830.06 is: 14,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.34 : 27,301.32 = 10,830.06 : x
  2. Step 2: Convert to fraction form
    19,784.34/27,301.32 = 10,830.06/x
  3. Step 3: Cross multiply
    19,784.34x = 27,301.32 × 10,830.06
  4. Step 4: Simplify right side
    19,784.34x = 295,674,933.68
  5. Step 5: Solve for x
    x = 295,674,933.68/19,784.34
  6. Step 6: Final answer
    x = 14,944.90

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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.